How to Master Korea year-end tax settlement for foreign residents 2025 Your Essential Guide

2026년 01월 23일 작성자: Webring

Korea Year-End Tax Settlement for Foreign Residents is the same process as for Korean nationals: income tax that was “roughly” withheld each month is “accurately” recalculated at year-end, and the difference is either refunded (refund) or additionally collected (additional payment). And there are exactly two key factors that determine that difference.

Did you submit supporting documents properly (Simplified Service + missing documents)?
Did you apply every deduction/credit you’re eligible for (income deductions · tax credits) without missing anything?

In particular, for the 2025 tax year settlement, the HomeTax Year-End Tax Settlement Simplified Service opens on January 15, 2026, and the final confirmed data will be provided starting January 20. (National Tax Service)

Korea Year-end tax settlement for foreigners

1) How Korea year-end tax settlement creates a “refund (your 13th-month paycheck)”

The income tax already taken out on your payslip is, in most cases, close to an “estimated amount” based on the simplified withholding tax table.
But in reality, depending on the person,

whether you have dependents,
whether you have medical expenses, education expenses, donations, monthly rent, or pension savings,
how much you spent via card payments,

your final tax amount changes.

So the conclusion of year-end tax settlement can always be summarized with this formula.

Refund/Additional payment = (Tax already paid: withholding) − (Tax finalized via year-end settlement: finalized tax due)

If the tax already paid is higher → Refund
If the finalized tax is higher → Additional payment

2) (2025 tax year · 2026) Year-end tax settlement schedule: Remember just this

The deadline differs by company, but the “National Tax Service Simplified Data flow” is mostly fixed.

1/15 (Thu): Simplified Year-End Tax Settlement service opens (deduction data provided for a total of 45 categories) (National Tax Service)
1/20 (Tue): Final confirmed data provided reflecting additions and corrections (National Tax Service)
After that: Worker submits documents → company settles → refund/additional payment reflected in salary (timing differs by company policy)

Tip (safe route for beginners)
If possible, submitting based on the final confirmed data after 1/20 is advantageous for reducing omissions and errors. (National Tax Service)

3) Year-end tax settlement document checklist (for beginners)

Year-end tax settlement documents “look like a lot,” but the structure is simple.

3-1. The basic 2-item set

HomeTax Year-End Tax Settlement Simplified data (PDF/e-file)
Income/Tax Credit Report (company form)
→ The basic method is to print/download the simplified data, attach it to the deduction report, and submit it to your company. (HomeTax)

3-2. Additional documents that “don’t appear in Simplified / are missing” (Important)

The NTS also officially states it like this.

For data that is not provided in the Simplified Service or is missing, you must obtain it directly from the issuing institution and submit it to your company for it to be deductible. (National Tax Service)
Examples include cases where certain data such as academy fees for preschool children, monthly rent, donation receipts, etc. may not be provided/may be missing (National Tax Service)

Also, some items within the Simplified categories may not be viewable because they are “voluntary submission (△)” data rather than mandatory submission (e.g., eyeglasses/contact lens purchase expenses). (National Tax Service)

4) Deductions in one go: Income deduction vs Tax credit

This is the part people get confused about the most in year-end tax settlement.

4-1. What is an Income Deduction?

It means reducing your tax base (the income amount used as the basis for taxation).

The NTS example structure for calculation is set up like this.

Comprehensive income tax base = Earned income amount − Personal deductions − Pension insurance premium deduction − Special income deductions − Other income deductions + (Amount exceeding the overall limit) (National Tax Service)

And the “earned income amount” itself is also calculated as,

Earned income amount = Total salary − Earned income deduction
. (National Tax Service)

✅ Why income deductions matter to beginners
→ Because income deductions lower the amount before the tax rate is applied, the perceived benefit differs depending on your income bracket.

Examples of major income deductions

Deductions related to credit card · debit card · cash receipt spending (includes items provided in Simplified) (National Tax Service)
Housing finance-related deductions (jeonse/lease deposit loan, long-term mortgage loan, etc.: includes items provided in Simplified) (National Tax Service)
Home subscription savings, small business mutual aid contributions, etc. (includes items provided in Simplified) (National Tax Service)

For reference, in the Simplified Service for the 2025 tax year, fees for using swimming pools and fitness centers after 2025.7.1 will be reflected as “culture/sports spending (deduction rate 30%),” and usage-fee data for sports facilities will also be newly provided. (National Tax Service)

4-2. What is a Tax Credit?

It means subtracting directly from the calculated tax (computed tax).
In other words, even with the same KRW 100,000, it often feels more straightforward than an income deduction.

(A) Earned Income Tax Credit (an automatic “basic tax credit”)

The NTS provides the method and limit depending on the computed tax bracket. (National Tax Service)
(For beginners, it’s enough to understand this as “my tax is automatically reduced once more,” rather than doing the exact number-crunching here.)

(B) Special Tax Credits: The 4 major items beginners most often claim

The representative items that the NTS groups as “special tax credits” are as follows. (National Tax Service)

1) Insurance premium tax credit

Protection-type insurance: up to KRW 1,000,000 per year, credit rate 12%
Disability-exclusive protection-type insurance: up to KRW 1,000,000 per year, credit rate 15% (National Tax Service)

2) Medical expense tax credit

Medical expenses exceeding 3% of total salary are generally eligible for the basic credit (National Tax Service)
There are categories such as a KRW 7,000,000 annual cap for medical expenses for general basic deduction-eligible persons (credit rate 15%), etc. (National Tax Service)
Items excluded from medical expenses (e.g., portions reimbursed by indemnity insurance) are specified, so it’s risky to assume “amount shown = all deductible.” (National Tax Service)

3) Education expense tax credit

Tax credit of 15% of education expenses (National Tax Service)
There are specific limits, such as KRW 3,000,000 per child per year for preschool–high school, and KRW 9,000,000 per university student per year. (National Tax Service)

4) Donation tax credit

Generally structured as 15%, and 30% for the portion exceeding KRW 10,000,000, etc. (National Tax Service)
Political funds/hometown donation/employee stock ownership, etc. have different application methods—be sure to distinguish the type of donation. (National Tax Service)
For donations that the company deducts in bulk from payroll, guidance states that attaching receipts may not be necessary depending on the case. (National Tax Service)

(C) Monthly Rent Tax Credit: A 대표 item that often “increases your refund”

The monthly rent tax credit has clear conditions and paperwork, so it’s beginner-friendly.

NTS guidance criteria (summary):

Total salary of KRW 80,000,000 or less (comprehensive income amount KRW 70,000,000 or less)
Head of household or household member (if conditions are met) in a household without home ownership
Credit rate: 17% if total salary is KRW 55,000,000 or less; 15% if over that up to KRW 80,000,000
Annual limit: KRW 10,000,000
Required documents: Resident registration record (certificate of resident registration), copy of lease contract, proof of rent payment (transfer receipt, etc.) (National Tax Service)

5) Understanding the refund structure as a “calculation flow” (Beginner diagram)

It’s hard if you try to understand year-end settlement through numbers; it’s easy if you understand it as a flow.

Total salary (annual pay, pre-tax)
− Earned income deduction → Earned income amount (National Tax Service)
− (personal deductions/pension insurance premiums/special income deductions/other income deductions, etc.) → Tax base (National Tax Service)
Tax base × tax rate → Computed tax (National Tax Service)
− (earned income tax credit/insurance · medical · education · donation/monthly rent/pension accounts, etc.) → Finalized tax due (National Tax Service)
Compare with tax already paid (withholding) → refund/additional payment

Example (to get a feel)

Tax already paid via withholding during the year: KRW 4,000,000
Finalized tax due calculated through year-end settlement: KRW 3,200,000
→ Refund of KRW 800,000

Conversely, if the finalized tax due is KRW 4,500,000 → additional payment of KRW 500,000.

6) If you’re a foreign worker, check these 3 반드시 items (real “workplace” points in Korea)

For foreigners who are employees receiving a salary from a company, the broad framework of year-end tax settlement is the same, but differences can arise in your “options” and “scope of application.” I’ll pull out only the essentials based on the NTS press release. (s.nts.go.kr)

6-1. Resident vs Non-resident

The NTS explains that if a foreign employee qualifies as a resident in Korea (has a domicile or stays 183 days or more), the deduction items and tax calculation are the same as for Korean nationals, but there may be differences in some income deductions/tax special provisions. (s.nts.go.kr)
On the other hand, for a non-resident, it clearly states that most deductions (personal exemptions, special income deductions, child tax credit, special tax credits, etc.) do not apply. (s.nts.go.kr)

6-2. Choosing the 19% flat tax is a trade-off for “giving up deductions”

Foreign employees may choose a 19% flat tax rate under certain conditions, but the NTS states that

When choosing the flat tax rate, tax-exemptions · deductions · reductions · tax credits under the Income Tax Act / Restriction of Special Taxation Act do not apply
—clearly. (s.nts.go.kr)

✅ Practical tip

Those with many deductible items (rent, medical expenses, donations, pension savings, etc.) may find the flat tax unfavorable, while
those with few deductions may find the flat tax simple and potentially advantageous.
→ Since it depends on your case, it’s recommended to do a side-by-side comparison at least once with your company’s payroll 담당 or a tax professional.

6-3. Check whether your company uses the “bulk provision service”

The NTS 안내 says that if a company uses the bulk provision service, the company can register a list and, with employee consent, download simplified data in bulk. (s.nts.go.kr)
→ When you’re confused about “what should I do?”, first check whether your company is using bulk provision or individual submission.

7) Top 7 common beginner mistakes

As the NTS emphasizes, Simplified data is not “automatic deductions”—it’s closer to a “collection of data.” You must verify whether you meet the deduction requirements. (National Tax Service)

Assuming that if it appears in Simplified, it’s automatically deductible (skipping eligibility checks) (National Tax Service)
Including personal dependent deductions even though the dependent exceeds the income requirement
- The NTS said it strengthened guidance on dependents who exceed income 기준. (National Tax Service)
Submitting with the 1/15 open data and missing the 1/20 final confirmation updates (National Tax Service)
Missing one of the three required documents for the monthly rent tax credit (resident registration record / lease contract / transfer proof) (National Tax Service)
Trying to deduct medical expenses as-is, including portions reimbursed by indemnity insurance etc. (National Tax Service)
Mixing up types of donations and misunderstanding credit rates/limits (National Tax Service)
Thinking “it’s done, so it’s done” even though you missed deductions
- Missing items can be reflected via a request for correction (amended claim) in HomeTax, and NTS video guidance explains it’s possible within 5 years from the statutory filing deadline. (National Tax Service)

8) Foreigners’ year-end tax settlement: 3 things to do today (real practical checks)

Download your HomeTax Simplified data as the final version after 1/20 (National Tax Service)
Check whether you need additional documents only for items that apply to you among “rent/medical/education/donations” (National Tax Service)
(If you’re a foreigner) Compare whether to choose the 19% flat tax, including “giving up deductions” (s.nts.go.kr)

FAQ (for search traffic · beginner question collection)

Q1. Does everyone have to do a year-end tax settlement?

In most cases, employees (wage earners) who receive salary from a company have their year-end tax settlement handled by the company. However, depending on the case (job change, mid-year resignation, multiple employers, other income, etc.), the processing method may vary.

Q2. If I submit only the “Simplified data,” is it done?

No. The NTS also explains that for data that is not provided in Simplified or is missing, you must obtain it directly from the issuing institution and submit it for it to be deductible. (National Tax Service)

Q3. Income deduction vs tax credit—what’s better?

Both are important, but they work differently.

Income deduction: Lowers the tax base (before the tax rate is applied) (National Tax Service)
Tax credit: Subtracted directly from the calculated tax (National Tax Service)

Q4. What documents are 반드시 required for the monthly rent tax credit?

Based on NTS guidance, you need resident registration record + a copy of the lease contract + proof of rent payment (transfer receipt, etc.). (National Tax Service)
(For foreigners, your company may request substitute documents, so check with HR.)

Q5. What if my medical expenses don’t show up in Simplified?

The NTS provides guidance on a reporting center for missing/errors in medical expenses and also announces the schedule for final confirmed data. In addition, missing data must be obtained directly from the issuing institution and submitted. (National Tax Service)

Q6. Can foreigners receive all year-end tax settlement deductions?

According to NTS guidance, foreign employees who are residents in Korea are generally calculated the same as Korean nationals, though there may be differences in some tax special provisions. Non-residents may have most deductions limited. (s.nts.go.kr)

Q7. What changes if a foreigner chooses the 19% flat tax rate?

The NTS clearly states that when choosing the flat tax rate, tax-exemptions, deductions, reductions, and tax credits do not apply. (s.nts.go.kr)
So you gain “simplicity,” but it comes with “giving up deductions.”

K-Name Studio: Create your perfect Korean name based on your personality and style.
What’s My K-Beauty Personal Color?

뷰티 퍼스털 컬러 찾기
WeBring Service : Provides personalized services to foreigners living in Korea
Exclusive offer: Introducing foreign car rental in Korea, WeBring-SoCar

The Complete Guide: International student settlement in Korea – Essential Steps and Tips

2026년 01월 22일 작성자: Webring

Once your international student orientation at a Korean university is over, it’s time to start setting up the administrative, financial, and telecom essentials that “make life in Korea run.” aka International student settlement in Korea.
Because what you can do before vs. after you receive your Residence Card (formerly ARC, Alien Registration Card) differs a lot, handling things in order can dramatically cut down on time and stress.

Days 0–30 Timeline (One-Page Summary)

When	Top priority	Why it matters now
D+0–3 (right after orientation)	Organize the school portal/course registration/student ID/dorm rules	Academic schedules have short “add/drop correction” windows
D+1–7	Confirm your housing, get a temporary SIM (prepaid)	Without an address/contact number, the next steps get blocked
D+7–30	Book and apply for Alien Registration (Residence Card)	Basic rule: register within 90 days of entry (Global One-Stop Service Center)
After receiving RC	Open a bank account, switch to a postpaid/identity-verifiable line, check insurance	Korean online identity verification/finance becomes available
Every time you move	Report change of residence (address change)	You must report within the deadline after moving in (institution guidance: 14–15 days) (Gov.kr)

1) Lock Your School Portal/Email/Academic Calendar to “Korea Time” (School)

If you leave the materials from orientation as-is, the most common mishaps are missing the add/drop correction period / missing tuition or document deadlines.

How to do it right away

Log in to the school portal → save the academic schedule calendar (add/drop corrections/leave of absence & return/tuition/finals)
Log in to the school email (Gmail/Office) app + turn notifications ON
Organize orientation slides/documents (visa, insurance, dorm) into a single folder

Pro tips

Fix your calendar time zone to “Korea Standard Time (KST)”
Professors/TAs often reply only to your school email address

International student settlement in Korea

2) Student ID (Access/Library) + Set Up Must-Have Campus Services (School)

Your student ID is more than a simple ID—it’s the key to the library, classroom access, dorm access, and student discounts.

Check

Issue your student ID / mobile student ID (register immediately if your school supports it)
Register for library use
Confirm how on-campus printing/copying points are topped up

(Some schools link the student ID to banking/debit card functions, which can affect your bank choice. Example: Seoul National University guidance notes that to use the S-Card as an ATM card, you need an account at a specific bank.) (OIA)

3) Confirm Your Housing: Check These “4 Items” First on a Dorm/Studio Lease (Housing)

Once your housing is confirmed, you can also prepare the Alien Registration (Residence Card) documents (proof of residence). (A lease contract, dorm move-in confirmation, etc. are commonly used as proof of residence.) (Global One-Stop Service Center)

4 must-check items on a studio/officetel lease

Address accurately written (including building/unit number)
Landlord information (name/contact)
Deposit/monthly rent/maintenance fee listed separately
Contract term clearly stated (move-in date & move-out date)

Points beginners in Korea often miss

What’s included in maintenance fees (internet/water/gas) varies by unit
If “appliances included,” it’s safer to specify models/quantities in a special clause

4) Protect Your Deposit: Move-in Report (Change of Residence Report) + Confirmed Date Stamp (Housing)

The core of protecting your rental/jeonse deposit in Korea is the combination of (1) taking occupancy (delivery of the residence) + (2) moving-in report (or change of residence report) + (3) a confirmed date stamp on the lease.
Legal guidance (Easy Law) also explains that if you have a confirmed date plus the requirements for opposability (delivery of residence + moving-in report/change of residence report), you obtain a preferential right to repayment. (Easy Law)

Execution order (super simple)

Move in (even bringing in part of your belongings helps prove “occupancy”)
Ask at the community service center (Administrative Welfare Center) about move-in/address procedures
Get a confirmed date stamp on your lease contract

Additional option (more worth considering for jeonse/large deposits)

If it’s jeonse, you can also look into guarantee products such as “Jeonse Deposit Return Guarantee.” A government policy Q&A notes that individuals, corporations, and foreigners can also enroll. (Korea.kr)

5) Alien Registration (Residence Card) Booking & Application: The 90-Day Rule + 35,000 KRW Fee (School/Admin)

For most international students, this step is “the switch that turns on settling in Korea.”

Guidance to register within 90 days of entry appears repeatedly across many university pages. (Global One-Stop Service Center)
There is immigration guidance stating that from 2025, with the introduction of an IC chip, the issuance fee increases to 35,000 KRW (from 30,000 KRW). (Immigration Office)

Commonly required documents (typical examples)

Passport
ID photo (3.5×4.5)
Application form
Proof of residence (lease contract/dorm confirmation, etc.) (Global One-Stop Service Center)
Fee (35,000 KRW in cash) (Global One-Stop Service Center)

Booking tips

Immigration often requires an appointment (some guidance explicitly states “online reservation”). (whic.mofa.go.kr)
Some schools support “group registration,” so be sure to check your international office notices (group processing may involve an additional administrative service fee in some cases). (isa.ewha.ac.kr)

6) Mobile Plan: Prepaid Before RC, Then Switch to Postpaid/Identity-Verification Line After RC (Telecom)

In Korea, your phone number is essentially your “online identity verification key,” so there comes a moment when you need a number that can be used for identity verification, not just a “data-only SIM” (delivery apps/banking apps/simple verification, etc.).

Before RC (Alien Registration)

Prepaid service may be possible with a passport in some cases. KT Global Shop guidance also states that prepaid plans can be opened with a regular passport. (KT Shop Global)
School guidance also notes that “prepaid is suitable for those without a Residence Card or staying less than 6 months.” (OIA)

After RC (recommended)

Switch to postpaid or a long-term plan
Typically at this stage, identity documents such as a Residence Card are required (carriers provide separate checklists for foreigners). (KT Shop Global)

Mistake prevention

If the name spelling (in English) registered with the bank/school/insurance differs from your mobile subscription info, identity verification may fail.

7) Open a Bank Account: “Passport + RC + Korean Phone + Address” Is the Basic Set (Banking)

For international students, a bank account isn’t just for saving money—it connects to:

Tuition/scholarships/part-time wages
Easy payments/certificates
Monthly rent auto-transfer
as well.

Information commonly required based on university guidance

Passport
Residence Card
Korean address
Korean mobile number (OIA)

Also, guidance materials from an investment promotion agency provide examples such as a passport and residence card for foreigners opening an account. (InvestKorea)

5 things to ask at the bank

Whether a debit card can be issued (immediately/later)
How to set up international remittances (sending/receiving overseas)
ATM withdrawal/transfer limits (initial limits may apply)
Internet/mobile banking login method (certificate/financial authentication)
Student ID linkage (if applicable by school)

8) Identity Verification (PASS) & Simple Verification (Naver/Kakao) “Initial Setup” (Banking/Telecom)

The biggest time sink in Korea is “Why won’t verification work?”—and in most cases it comes down to one of these two:

Your mobile line is not eligible for identity verification (data-only SIM/short-term line, etc.)
The English name/date of birth registered with your bank/telecom/school differs slightly

If possible, proceed like this

RC issuance → (postpaid or identity-verifiable line) → banking app → simple certificate
This order usually causes the fewest trial-and-error issues.

Reference (Mobile Residence Card)

Immigration has published guidance on the mobile Residence Card (mobile registration card), and explains that issuance requires an identity verification procedure (such as scanning a QR code after visiting immigration). (Immigration Office)

9) Insurance: Check NHIS Auto-Enrollment + School Group Insurance (Insurance)

9-1. National Health Insurance (NHIS) essentials

NHIS official English guidance states that foreigners staying in Korea for 6 months or longer are subject to mandatory enrollment (including guidance on the mandatory policy after July 2019). (NHIS)
However, many universities state that international students are automatically enrolled after alien registration (alien registration number/RC). (OIA)

9-2. Possible reductions (discounts)

Some universities 안내 international students about a 50% premium reduction (policy subject to change). For example, SUNY Korea notes a 50% discount for international students starting March 2023 (subject to change), and JBNU provides sample discounted amounts for D-2 students. (SUNY Korea)

Because premiums/reduction standards can be adjusted each year, the safest approach is to check both “your school international office notice + NHIS guidance” together. (NHIS)

9-3. Waiver exemptions

Some schools also 안내 waiver applications based on private overseas insurance, and post examples of required documents (varies by school/situation). (inu.ac.kr)

10) Address Change Reporting/Stay Management: If You Move, “Report Within the Deadline” + Use Online Services (Housing/Admin)

Even after you’ve settled in, the administrative task international students repeatedly do in Korea is reporting a change of residence (address change).

Government24 민원 guidance states within 15 days from the move-in date. (Gov.kr)
Local government English guidance/university guidance often states within 14 days (guidance may differ by institution). (Junggu)

Practically, this is the safest rule

“Process it within 2 weeks of moving (ideally within 1 week).”
If you miss the deadline, it may only be possible at your jurisdictional immigration office, or you may be informed about an administrative fine. (Junggu)

Some services can be done online

Immigration services have separate guidance materials for online applications (change of residence, etc.). (Immigration Office)

International Student Orientation: A “Settlement Checklist (10 Lines)” You Can Copy-Paste

Log in to the school portal/save the academic calendar
Log in to the school email app/set notifications
Issue student ID (including mobile)/register for the library
Confirm your housing (check contract address/deposit/maintenance fee)
After moving in, get a confirmed date + ask about move-in/address processing (community service center)
Book alien registration (Residence Card)/prepare documents/apply (fee 35,000 KRW) (Immigration Office)
Before RC: Activate a prepaid SIM (check cases where passport is accepted) (KT Shop Global)
After RC: Open a bank account (passport + RC + address + Korean number) (OIA)
Check NHIS enrollment/auto-enrollment (+ check school group insurance) (NHIS)
When moving, report address change within 2 weeks (check if online is available) (Gov.kr)

Top 6 Common Mistakes (Time-Saving Points)

Delaying your RC application, then appointments get booked and you’re rushed by the 90-day deadline (Global One-Stop Service Center)
A unit number/address typo on the housing contract → proof of residence rejected
Expecting a prepaid SIM to work for all app verification → blocked at the identity verification step
Not asking the bank about limits/international remittance settings → having to visit again later
Missing NHIS auto-enrollment/notices → worries about delinquency/disadvantages (some school notices include warning language) (NSL PNU)
Forgetting to report an address change after moving → inconvenience/fine guidance if the deadline passes (Junggu)

FAQ International student settlement in Korea (Search Traffic + Residency/International Student Concerns)

Q1. Do I have to register (Residence Card/Alien Registration)?

For most long-term international students, it is 안내 as a required procedure (many university pages repeatedly mention registering within 90 days of entry). (Global One-Stop Service Center)

Q2. Isn’t the alien registration fee 30,000 KRW?

According to immigration guidance, there is a notice that it increases to 35,000 KRW from January 1, 2025. (Immigration Office)

Q3. How do I use a phone before my RC is issued?

According to carrier guidance, prepaid may be possible with a passport in some cases. Once your RC is issued, the general flow is to switch to a postpaid/long-term line. (KT Shop Global)

Q4. Can I open a bank account without an RC?

Based on school/institution guidance, it’s common to require a passport + Residence Card + Korean address + Korean mobile number. (OIA)
(Exceptions may exist depending on the branch/bank/individual situation, so it’s safer to confirm with the branch before visiting.)

Q5. Is National Health Insurance (NHIS) mandatory for international students too?

NHIS states that foreigners staying 6 months or longer must enroll, and universities often state that international students are automatically enrolled after alien registration. (NHIS)

Q6. If my NHIS premium is too expensive, can it be reduced?

Some universities mention details such as a 50% reduction for international students (policy subject to change). Check both your school notice and NHIS criteria. (SUNY Korea)

Q7. If I have overseas private insurance, can I get an NHIS waiver?

Some schools provide examples of documents required for a waiver application. However, eligibility conditions can vary by situation, so you need to check both your school guidance and NHIS. (inu.ac.kr)

Q8. If I move, where do I report my address change?

Based on Government24/local government/university guidance, processing routes are 안내 at a community service center (Administrative Welfare Center), your jurisdictional immigration office, or online. Since there is guidance on deadlines (14–15 days), handling it quickly is safest. (Gov.kr)

Q9. Do foreigners also need a move-in report/confirmed date stamp?

From the perspective of protecting your deposit, there is legal guidance stating that having a confirmed date stamp plus move-in/address-related requirements helps with obtaining preferential repayment rights. (Easy Law)

Q10. Can foreigners also enroll in a jeonse deposit return guarantee?

A government policy Q&A states that individuals, corporations, and foreigners can also enroll (details should be confirmed by product/institution). (Korea.kr)

K-Name Studio: Create your perfect Korean name based on your personality and style.
What’s My K-Beauty Personal Color?

뷰티 퍼스털 컬러 찾기
WeBring Service : Provides personalized services to foreigners living in Korea
Exclusive offer: Introducing foreign car rental in Korea, WeBring-SoCar

Alien Registration Card Korea: The Ultimate 2025 Guide to Application, Documents, and Avoiding Rejection

2026년 01월 19일2026년 01월 19일 작성자: Webring

⚠️ Notice: Immigration policies and required documents can vary depending on an individual’s status of stay (visa) · jurisdiction office · timing. I organized this based on the basic principles in official guidance, but for the final confirmation, contact your competent immigration office/1345. (Immigration Service)

1) ARC (Alien Registration Card) Korea = Why it’s the “must-have ID” for life in Korea

The Alien Registration Card (often called an ARC) is an official ID under the Immigration Control Act, and it’s explained as having the same legal effect as a Korean resident registration card. (Immigration Service) That’s why, to do things like the following, it becomes almost a “must-have item.”

Opening a bank account / financial transactions
Getting a mobile phone line (postpaid plan)
Signing a housing contract / address move-in-related administration
Identity verification for civil services / hospitals / insurance, etc.

2) “By when?” ARC application deadline (this is where delays happen a lot)

Principle: A foreigner who intends to stay for more than 90 days from the date of entry must register as an alien within 90 days from the date of entry. (Immigration Service) Also, the guidance is to make an appointment first on HiKorea and then apply at the immigration office with jurisdiction over your place of stay. (Immigration Service)

3) ARC registration process A to Z (for first-timers)

A. Make a visit reservation on HiKorea

There are really many cases of “going without a reservation and being sent back.”
Your competent office is based on your current residence (place of stay). (Immigration Service)

B. Prepare documents (common + additional by status of stay)

The common documents are mostly fixed, and
The “additional documents” vary by visa/situation (student, worker, overseas Korean, family, etc.). (Immigration Service)

C. Submit in person + provide biometric data (fingerprints, etc.)

When registering as an alien, it may include providing biometric information such as fingerprints and face data, and there is guidance that refusal may limit permission to stay. (Easy Law)

D. Pay the fee

As of January 1, 2025, the issuance fee for the Alien Registration Card increased to KRW 35,000 (issuance with an embedded IC chip, based on the mobile ARC). (Immigration Service)
The payment method is stipulated by law as cash or a token/voucher proving cash payment, so “bringing cash” is the safest. (Law.go.kr)

E. Receive the receipt → receive the card

After submission, the time until you receive the physical card may vary depending on season/jurisdiction (longer during peak times).

4) ARC common required documents: the “4 essentials” (the basic backbone)

According to official guidance, the core basic submission documents are as follows. (Immigration Service)

✅ Common 1) Passport (original)

If possible, bringing a copy of the passport bio page can speed up the intake process (may be requested depending on office/case).

✅ Common 2) Proof of residence (Residence proof)

A lot of applications get rejected due to “address proof.” (More details in #5 below)

✅ Common 3) One photo (3.5cm × 4.5cm)

Photo requirements are strict. If you violate even one of the rules below, it’s the #1 on-site rejection reason. (Immigration Service)

✅ Common 4) Additional documents by status of stay (visa)

Even in official guidance, it’s separated as “documents by status of stay (see attached file).” (Immigration Service)

5) Proof of residence (address verification) — the key rejection point

Residence verification can be summarized in one line like this.

“Objectively show that you actually live at this address right now.”

The most commonly used practical examples are as follows (schools/institutions usually guide the same combinations). (oia.cbnu.ac.kr)

1) Housing contract in your name (lease contract)

The contract must show the address accurately, and
Be sure to confirm your name (English/passport name) matches the contract

2) Dormitory residence confirmation (issued by a school/institution)

For international students, this is the cleanest case. (oia.cbnu.ac.kr)

3) Accommodation provided by an acquaintance/company (Accommodation Provision Confirmation, etc.)

Additional items such as a copy of the provider’s ID and supporting proof of residence may be required (varies by jurisdiction/case).

✅ Tip: If the “address notation (building/unit number/postal code)” is ambiguous, this is the most common point where the counter requests supplements.

6) (Reference) Common cases where additional documents are required by status of stay

From here on, it’s the area that “depends on your visa.” Still, understanding the general pattern of what gets added can reduce rejections.

● What is often required for international students (D-2/D-4, etc.)

Based on university international office notices, the following usually move as a set. (oia.cbnu.ac.kr)

Integrated application form (template)
Certificate of enrollment
Proof of residence (dorm/contract, etc.)
Fee KRW 35,000

● Cases like foreign workers (E-9/H-2, etc.) that include “medical check/proof”

In the Easy Law guidance example (worker case),

(E-9) Business registration certificate + designated hospital drug test confirmation
(H-2) Early Adjustment Program completion certificate + designated hospital health check report
are guided as additional documents. (Easy Law)

7) ARC registration: “Top 10 most common reasons for rejection” (plus fixes)

Here, “rejection” usually means cannot be accepted / request for supplementation. The really frustrating part is that you brought all the big documents, but end up making another visit due to small details. Just checking the 10 items below greatly reduces the chance you’ll need to come back.

Rejection TOP10 summary table

Rank	Reason for rejection	How it blows up on-site	Fix (fastest)
1	Photo size/spec mismatch	“Please bring a new photo.” (white background/within 6 months/face ratio/retouching, etc.)	Retake per rules: 3.5×4.5, within 6 months, white background, no retouching/damage, etc. (Immigration Service)
2	Insufficient/unclear proof of residence	Your name not on the contract, or the address is ambiguous	Make address · your full name · type of residence clear on the contract/confirmation (for dorms, use the confirmation letter). (Immigration Service)
3	Visiting without a HiKorea reservation	“No reservation, no acceptance.”	Make a visit reservation first, then visit your competent office. (Immigration Service)
4	Application form (integrated form) not completed / completed incorrectly	Missing signature, missing date, incorrect contact info	Print and fill it out in advance + complete signature/date as well (match passport info exactly)
5	Passport info/name notation mismatch	Passport name differs from contract/enrollment documents	Standardize the English name on all documents (based on the passport)
6	Insufficient/near-expiry passport validity	May cause restrictions during stay permission/issuance process	Renew before expiry if possible (especially watch out when under 6 months remaining). (Immigration Service)
7	Fee not prepared (cash, etc.)	Panic if you can’t pay at the counter right away	Fee is regulated as cash or proof of cash payment → bring cash. (Law.go.kr)
8	Applicant not present (biometrics required)	Proxy submission limited due to fingerprint/face registration	Plan your schedule assuming you must visit in person (biometrics provision procedure). (Easy Law)
9	Missing additional documents by status of stay	“Additional documents” required depending on student/worker/overseas Korean, etc.	Check your status of stay → confirm additional documents via your jurisdiction/school notice/official guidance. (Immigration Service)
10	Confusion between “original vs. copy” for photos/documents	Original required but you brought only copies	Passport original required + prepare 1–2 extra copies of anything that might be needed. (Immigration Service)

8) 1-minute “final check” checklist for the day before your visit

If you just put these in your bag, the chance of having to come back due to a mistake drops a lot.

HiKorea visit reservation completed (confirm date/time/competent office) (Immigration Service)
Passport original (+ extra copies of bio page) (Immigration Service)
One photo: 3.5×4.5 / white background / within 6 months / no retouching · tinted glasses · hats (Immigration Service)
Proof of residence (contract/dorm confirmation/accommodation provision confirmation, etc.) (Immigration Service)
Integrated application form completed (including signature/date)
Prepare the fee in cash: KRW 35,000 (increase effective 2025.1.1~) (Immigration Service)
(If applicable) Additional documents by status of stay (enrollment/employment/medical check, etc.) (Immigration Service)

9) (Bonus) From 2025, a “Mobile Alien Registration Card” also became available

Starting January 10, 2025, issuance of a Mobile Alien Registration Card is guided for registered foreigners residing in Korea. (Immigration Service) The official mobile ID guidance also introduces it as “any ARC holder can apply” in terms of flow. (Mobile ID)

IC (chip-based) ARCs are guided as a method that makes reissuance easier via tagging even after you change phones. (Mobile ID)

Wrap-up: The most realistic conclusion for preventing rejection

ARC registration doesn’t get rejected because “the documents are hard”—most people slip on the basics like photo · address · signature · reservation · fee. If you prepare exactly according to today’s checklist, your chances of being accepted on your first visit go up significantly.

FAQ

Q1. Do I have to register for an ARC after entering Korea?

If you intend to stay in Korea for more than 90 days, in principle you must register as an alien within 90 days from your date of entry. (Immigration Service)

Q2. How much is the ARC issuance fee?

As of January 1, 2025, guidance announced an increase to KRW 35,000 (issued with an embedded IC chip). (Immigration Service)

Q3. Can I pay the fee by card?

By law, the issuance/reissuance fee for an ARC must be paid in cash or proof of cash payment, so bringing cash is the safest. (Law.go.kr)

Q4. Can I use any ID photo?

No. Requirements are very specific, including 3.5×4.5, within 6 months, white background, no retouching/damage, face length (2.5–3.5cm), etc. (Immigration Service)

Q5. What exactly should I submit as proof of residence?

Common examples include a lease contract and a dormitory residence confirmation (additional requirements may apply depending on the case). (Immigration Service)

Q6. Can I go to the immigration office without a HiKorea reservation?

Official guidance is to apply at the competent immigration office after making a visit reservation on HiKorea. (Immigration Service)

Q7. Do I have to register my fingerprints?

ARC registration may include procedures to provide biometric information such as fingerprints and face data, and guidance notes there may be limitations on permission if you refuse. (Easy Law)

Q8. What additional documents do international students usually need?

Based on university international office guidance, typically a certificate of enrollment + proof of residence + fee are required together (may vary by school/jurisdiction). (oia.cbnu.ac.kr)

Q9. Can anyone get a Mobile ARC?

Starting January 10, 2025, issuance of a Mobile ARC is guided for registered foreigners, and the official Mobile ID site also provides the issuance flow. (Immigration Service)

Q10. If you had to pick just one most common rejection reason, what is it?

In practical terms, photo specifications and proof of residence compete for #1–#2. Photo rules are very specific in the official criteria, so matching them exactly is the best approach. (Immigration Service)

K-Name Studio: Create your perfect Korean name based on your personality and style.
What’s My K-Beauty Personal Color?

뷰티 퍼스털 컬러 찾기
WeBring Service : Provides personalized services to foreigners living in Korea
Exclusive offer: Introducing foreign car rental in Korea, WeBring-SoCar

Mastering Korea SIM identity verification A Foreigner’s Essential Guide

2026년 01월 15일 작성자: Webring

When you start living in Korea, “get a Korea SIM first” sounds like the obvious answer—but in reality, your options split because of identity verification (PASS/mobile identity verification). The “right answer” is completely different for someone who just needs stable data, versus someone who needs everything—from delivery apps, banks, public services, to simple payments—to work smoothly.

In this post, I’ll break down (1) prepaid (2) postpaid (3) eSIM for foreigners getting a phone line in Korea using criteria that matter more than “price”: identity verification availability / required documents / length of stay.

1-Minute Conclusion for Foreigners Getting a Korean Phone Line: If this is your situation, this is the answer

Travel/business trip 1–30 days:
→ eSIM (data-only) or a prepaid SIM (fast and simple)
However, it’s safest not to expect Korean-app identity verification in most cases. (Reasons explained below) (LG U+)
Right after entry (no ARC yet) + you just need a number/data for now:
→ Get by with prepaid using your passport (often up to 90-day options), then switch to postpaid once your ARC is issued (KT Shop Global)
Study/work/long-term stay + PASS identity verification is essential:
→ Postpaid (monthly plan) activated with your ARC is the most stable option
With PASS, your name (as registered with the carrier at sign-up, including formatting) may need to match exactly. (MGlobal Community)
Keep your overseas number (OTP) + add Korean data only:
→ eSIM is the most convenient (dual SIM). But even with eSIM, identity verification can be restricted depending on the product. (LG U+)

First, a quick clarification: eSIM is not a “plan”—it’s a “SIM form factor”

If you lock in just one potentially confusing point, choosing becomes much easier.

Prepaid vs postpaid = “how you’re billed”
Physical SIM vs eSIM = “SIM form factor (chip vs embedded)”

So there can be prepaid eSIM and postpaid eSIM (depending on the carrier/product), but what’s most commonly sold to foreigners is typically a travel prepaid eSIM. (Skroaming)

Core Comparison Table: Prepaid vs Postpaid vs eSIM (for foreigners)

Category	Prepaid	Postpaid	eSIM (form factor)
Recommended stay length	1 day–90 days (or short-term)	3 months–long-term	Both short/long-term (depends on the product)
Typical required documents	Passport (often possible) / or ARC	ARC/residence card + payment method	Online purchase + QR, passport verification, etc. (varies by product)
Korean identity verification (PASS)	Often restricted/not available in many cases	Available (most stable)	Travel products are often restricted
Pros	Fast, no contract burden	Best for identity verification/service compatibility, better long-term value	Instant without swapping SIMs, convenient dual SIM
Cons	May run into blocks with identity verification/financial services	Higher activation hurdles (ARC/bank account, etc.), may involve contracts	Often unrecoverable if deleted / many restricted products

You can verify document/payment requirements via carrier guidance. Example: SKT states prepaid is possible with an “ARC or passport.” (T World) KT states that the automatic payment method for postpaid plans is a “Korean bank account or a Korean card.” (KT Shop Global)

1) Who prepaid SIM is best for

If you’re in these situations, prepaid wins

You need internet immediately after arriving at the airport
Your stay in Korea is short (travel/short business trip)
You don’t have an ARC yet (early period after arrival for students/working holiday)
Korean online identity verification is not “immediately” essential

For prepaid activation, documents are usually checked like this

SKT explicitly states that prepaid service is available with an ARC or passport. (T World)
KT Global Shop also indicates that prepaid can be activated with a regular passport. (KT Shop Global)

But “a prepaid number = PASS identity verification” is not guaranteed

This is the most common wall foreigners hit when using prepaid.

“I have a 010 number—why won’t PASS/mobile identity verification work?”
→ Some products block ‘mobile identity verification (carrier-linked)’ even if you have a number.
LG U+ traveler guidance states that identity verification is not available on Data eSIM, etc. (LG U+)
SKT (roaming) traveler eSIM also states personal authentication services/payment SMS reception are not available. (Skroaming)

Exception: Some foreigner-focused dealers may support “ARC linkage”

Some foreigner-focused sellers state that they support (conditionally) linking a prepaid number to an ARC so it can be used for online verification.
Example: There are cases that guide ARC linkage with conditions such as 3+ month plans. (Sim card Korea – CHINGUMOBILE)
However, this is less a universal rule for all prepaid/all carriers and more a ‘seller/product policy.’ If your goal is identity verification, it’s safest to confirm “PASS/identity verification availability” before purchase.

2) Who postpaid plans are best for

Bottom line: if you need the “full Korea life set,” postpaid is the answer

If two or more of the following apply, postpaid wins by a landslide in real-life convenience.

You frequently need mobile identity verification for delivery apps/memberships/simple payments/banking apps, etc.
You plan a long-term stay in Korea (study/work/dependent)
You want to use your number not as “temporary,” but as a “settling-in number”

Realistic requirements for postpaid activation

For long-term plans, the key is typically ARC + (for payment) a Korean bank account/Korean card.
- 10mag’s guide summarizes that monthly plans require a passport, ARC, and proof of a Korean bank account. (10mag.com)
- KT states you can pay monthly fees via automatic transfer from a Korean bank account or a Korean credit card. (KT Shop Global)
- A local government (Guri City) living guide also notes that a card/account issued in Korea is required. (guri.go.kr)

If you’re thinking about PASS (identity verification), “name formatting” is truly important

About 70% of foreigner identity verification problems blow up right here.

LG U+ guidance: If your contract was opened with an ARC, you can use the PASS app’s identity verification service, but you must enter your name exactly as it was first registered with the carrier (including details like whether a hyphen exists). (MGlobal Community)

👉 So if you plan to go postpaid, make sure to ask the staff at activation “Exactly how did you register my English name (spaces/hyphens/order)?” and write it down.

3) Who eSIM is best for (but first, distinguish by “product type”)

eSIM is unbeatable for convenience, but for foreigners there are quite a few product-specific traps.

Good cases for using eSIM

You want to activate instantly via QR the moment you arrive in Korea
You want to keep your overseas number (physical SIM) while adding a Korean line (dual SIM)
You dislike swapping/losing SIM cards

Three common eSIM traps

1) If it’s “data-only,” you can’t place calls or send SMS

LG U+ FAQ clearly distinguishes that Data Only is internet only, with no outgoing calls/SMS. (LG U+)
(Even if receiving works in some cases, “verification SMS/payment SMS” is a separate issue.)

2) PASS (identity verification) may be blocked on travel eSIM products

LG U+ states in its eSIM product guidance that the identity verification service cannot be used. (LG U+)
SKT (roaming) eSIM also states personal authentication services and payment SMS reception are not available. (Skroaming)

In other words, just because eSIM is convenient doesn’t mean you can “go all-in for Korean life verification” without risk.

3) In many cases, eSIM can’t be restored after deletion

LG U+ guidance: A downloaded eSIM cannot be restored once deleted, and refunds/replacements may not be possible in cases of device damage/deletion. (LG U+)

(Important) Whether my phone supports eSIM + whether it’s compatible with Korean products

LG U+ FAQ says you can confirm eSIM support if you can see an EID. (LG U+)
It also advises that if your phone has a carrier lock (country lock), unlock it in advance. (LG U+)
And notably, LG U+ FAQ includes wording stating that Pixel/OPPO devices cannot use eSIM (this may be based on that service/policy, so reconfirm before purchase is recommended). (LG U+)

Recommendations by scenario: “If it’s this case, go with this”

1) Travel 3–7 days / only need maps·taxi·translation

Recommended: data-focused eSIM (or prepaid)
Reason: instant activation, cost-efficient. But it’s safest not to expect identity verification. (LG U+)

2) Travel 2–4 weeks + need local calls/SMS too

Recommended: prepaid (physical SIM) with data + voice, or a travel eSIM that includes voice
Reason: helpful for restaurant reservations/local contact
Caution: payment verification/personal identity verification may be restricted. (Skroaming)

3) Students/working holiday: first 1–2 months after entry (waiting for ARC)

Recommended: passport-based prepaid (up to 90-day options) → then switch to postpaid once ARC is issued
Basis: KT guidance includes that prepaid activated with a passport is provided for 90 days. (KT Shop Global)

4) Long-term study/work + delivery apps/banking/simple payments are essential

Recommended: postpaid (ARC-based)
Reason: PASS identity verification is key, and guidance explains it’s available under contracts opened with an ARC. (MGlobal Community)

5) “I need a Korean number, but I must keep my overseas number (OTP) too”

Recommended: overseas physical SIM + Korean eSIM
Reason: optimal dual SIM setup (but if your goal is identity verification, you need to confirm whether it’s a postpaid eSIM/postpaid line that supports it). (LG U+)

6) Long-term stay, but you don’t have a Korean bank account/card yet

Recommended: get by with short-term prepaid while preparing your account → then move to postpaid
Basis: KT explains postpaid payment methods mainly as Korean accounts/Korean cards. (KT Shop Global)

If your goal is “PASS identity verification,” what you must know

1) PASS is widely used as a “carrier-based” identity verification app

In Korea, carrier-based identity verification functions like daily-life infrastructure, and even recent policy changes mention the PASS app. (Korea Joongang Daily)

2) Even if you activated with an ARC, mismatched “name formatting” can make you fail

There are real cases/guidance stating failures can happen due to hyphen/space/order differences. (MGlobal Community)

3) Travel eSIM/data eSIM may block identity verification

LG U+ explicitly states identity verification is not available on eSIM. (LG U+)
SKT (roaming) eSIM also explicitly states personal authentication/payment-SMS reception is not available. (Skroaming)

2026 Update Check: Activation procedures may become stricter

Due to recent issues like voice phishing and illegal activations, reports say Korea has been piloting/introducing facial verification (face recognition) via PASS when activating new mobile lines. The government also reportedly explained that it “only checks the match between the photo and the real face and does not store data.” (Korea Joongang Daily)

👉 Since this change can affect procedures/requirements/time needed for foreigners as well, if you’re staying long-term, it’s safest to build a habit of double-checking carrier guidance “as of today’s date.”

Pre-activation checklist (dramatically lowers failure risk)

Confirm whether your phone is unlocked (country/carrier lock removed) (LG U+)
Check eSIM support (confirm EID) (LG U+)
Decide your priority: “data” vs “Korean number” vs “identity verification”
If you have an ARC, ask staff during activation and write down the registered English-name format (MGlobal Community)
Since eSIM may not be recoverable if deleted, keep your QR/email (LG U+)
If long-term, plan ahead for a Korean payment method (bank account/Korean card) as well (KT Shop Global)

Wrap-up: There isn’t one “right answer”—it depends on your situation

Just need internet fast → prepaid/eSIM
All-in on Korean life verification → ARC-based postpaid
Dual SIM/convenience → eSIM (but 반드시 check identity verification restrictions)

In Korea, activating a phone line isn’t just a telecom issue—it’s closer to the gateway to a digital ID. If you work backward from the points where you’re most likely to get stuck (identity verification/payment/documents) using this post, you’ll drastically reduce the chance of failure.

Key Summary

Q1. Is eSIM always best for foreign travelers?

For most people, it’s convenient. However, travel eSIMs can restrict identity verification (Identity verification/PASS), so if your goal is Korean app verification, you need to be careful. (LG U+)

Q2. Can I use PASS identity verification with a prepaid number made with a passport?

It depends on the product/policy. Travel/data eSIMs sometimes explicitly state restrictions, while some foreigner-focused sellers guide that they conditionally support ARC linkage. (LG U+)

Q3. Do postpaid plans require a Korean bank account?

Based on carrier guidance, it’s often centered around “Korean payment methods,” such as automatic transfer from a Korean bank account or a Korean credit card. (KT Shop Global)

Q4. I activated with an ARC, but PASS doesn’t work. Why?

There is guidance stating that the registered name format (including hyphens/spaces) must match what you enter in PASS. You must input it exactly as registered. (MGlobal Community)

Q5. Can I reinstall an eSIM after deleting it?

Some providers explicitly state that deleted eSIMs cannot be restored/reissued. Before deleting, be sure to check customer support/policy. (LG U+)

Q6. I’m staying long-term—can I start with prepaid first?

Yes. In practice, it’s common to get by with prepaid during the “ARC issuance waiting period,” then switch to postpaid afterward. (10mag.com)

K-Name Studio: Create your perfect Korean name based on your personality and style.
What’s My K-Beauty Personal Color?

뷰티 퍼스털 컬러 찾기
WeBring Service : Provides personalized services to foreigners living in Korea
Exclusive offer: Introducing foreign car rental in Korea, WeBring-SoCar

Master Your Korea Visa Extension Documents 2026: The Ultimate Checklist to Avoid Delays

2026년 01월 14일 작성자: Webring

The most common reason for failure when preparing for a visa extension (permission to extend your stay) in Korea is simple: missing one required document (especially proof of residence), documents issued too long ago, or missing your appointment slot. (Korea Visa Extension Documents)

This guide is based on 2026 procedures and provides a practical “checklist” of required documents for those affiliated with an educational institution (international students / language trainees) or a company (employment / instructor / professional manpower). (Depending on individual circumstances, additional documents may be required, so make sure to check the official channels listed at the end.)

1) Five Basic Rules for Visa Extension (Applies to Everyone)

(1) When can I apply?

You can apply for an extension of stay up to 4 months before the expiration date, and you must apply no later than the expiry date (the day before if applying through the online civil service portal).

(2) Is the process available online?

Certain visa types allow you to apply for a stay extension via the Hi Korea e‑civil service portal without visiting in person, and there’s a 20% reduction in fees. (Immigration Service)
The Hi Korea e‑service operates on weekdays 07:00–22:00 (closed on weekends and holidays). (HiKorea)

(3) On‑site applications require an advance appointment

In principle, immigration‑related applications such as extension of stay require an online appointment. Specific exemptions (pregnant applicants, those aged 70+, etc.) are listed separately.

(4) You cannot apply while abroad

To apply for permission to stay (extension/change, etc.), you must be physically present in Korea. No proxy application is accepted while you are overseas.

(5) If your passport is close to expiring, the extension period may be shortened

According to current guidelines, your stay period may be limited by your passport’s validity. If your passport expires soon, it’s recommended to renew it first (and report the new passport afterward).

2) Common Required Documents (These Four Are Almost Always Needed)

The following four items frequently appear in the official list of documents required for a stay extension:

Integrated Application Form (Form No. 34)
Passport
Alien Registration Card (ARC)
Proof of Residence (Address Verification)

Additionally, documents issued abroad may require an Apostille or consular legalization. The immigration office may also add or waive certain documents during screening.

Application Fee (Reference)

According to Easy Law, the fee for permission to extend your stay is 60,000 KRW. (Easy Law)
(However, the final amount may vary depending on your personal circumstances, visa type, or whether you apply online. Always double‑check with Hi Korea or your local immigration office.)

3) School‑Affiliated Checklist (International Students / Language Trainees)

The following are the most common categories for foreigners affiliated with educational institutions.

A. Regular University / Graduate School Students (Usually D‑2)

[Essential Items] (According to official regulations)

Passport
Alien Registration Card (if applicable)
Certificate of Enrollment
Proof of Residence (Easy Law)

[Frequently Requested Additional Documents] (Based on university guidelines)

Academic Transcript
Tuition Payment Certificate
Bank Balance Certificate (some schools waive this requirement) (dongguk.edu)

Pro Tip: Many universities allow you to issue “enrollment, transcript, and tuition payment” documents at once through the student or international portal. Request them at least 1–2 weeks in advance to avoid last‑minute delays.

B. Post‑Master’s/Doctoral Students Preparing a Thesis (Research / Thesis‑based Extension)

Some universities (e.g., Dongguk University) list separate requirements for students staying to prepare their thesis:

Integrated Application Form
Passport Copy, Alien Registration Card
Certificate of Course Completion, Transcript
Proof of Residence
Advisor’s Recommendation Letter (must include research schedule, supervision details, and reason for recommendation) (dongguk.edu)

Official legal guidelines also indicate that a letter from your advisor may substitute a certificate of enrollment for thesis preparation cases. (Easy Law)

C. University‑Affiliated Language Institutes / Language Training (Usually D‑4‑1)

[Essential Items] (According to official regulations)

Passport
Alien Registration Card (if applicable)
Certificate of Enrollment
Proof of Residence (Easy Law)

[Frequently Requested Additional Documents] (Based on school guidelines)

Academic Transcript
Tuition Payment Certificate
Financial Proof (bank balance, etc.)
Study Plan / Program Description (for trainees)
Proof of Residence (Lease Contract / Accommodation Confirmation) (dhu.ac.kr)

Some schools also specify minimum attendance rates (e.g., 80%) requiring submission of attendance certificates, tuition payment, and housing verification. (Sungshin Women’s University)
(Attendance criteria may vary by school or jurisdiction, so confirm with your institution.)

D. If the Student Is a Minor or Needs a Proxy Applicant

While visa extensions are typically filed by the student, minors under 17 may have applications submitted by a parent, guardian, sibling, or guarantor. (Easy Law)

4) Company‑Affiliated Checklist (Employment / Instructor / Professional Manpower)

For those employed by a company, required documents depend on your visa type (E‑series, etc.) and employment form (corporation / individual / dispatched). Fortunately, the official forms specify the required attachments for extension permits, so preparing according to the checklist below minimizes rejection risk.

Common Company‑Related Documents (Summary)

Employment Contract
Business Registration Certificate
(For corporations) Certificate of Corporate Registration

Depending on your occupation, additional documents such as a “Guarantor Form,” “Tax Payment Certificate,” or “Certificate of Employment/Dispatch Order” may be required.

A. Native Speaking Instructor / Foreign Language Teaching (E‑2)

[Documents Required for Extension]

Employment Contract
Business Registration Certificate (and Corporate Registration if applicable)

Pro Tip: For E‑2 visas, if a “workplace change/addition” is involved, extra documents such as the hagwon establishment license are required. This article focuses on extensions only—different rules apply for job changes or multiple employers.

B. General Corporate Employment / Professional Workers (E‑7)

[Documents Required for Extension]

Employment Contract
Guarantor Form (if applicable to your job category)
Tax Payment Certificate
Business Registration Certificate (and Corporate Registration if applicable)

C. University / Research Institutions (E‑1 Professor, E‑3 Research, E‑4 Technology Transfer)

E‑1 (Professor) — Required for Extension

Employment Contract

E‑3 (Research) — Required for Extension

Employment Contract
Business Registration Certificate (and Corporate Registration if applicable)

E‑4 (Technology Transfer) — Required for Extension

Dispatch Order or Certificate of Employment
Technology Introduction Contract / Supporting Documents (if applicable)
Business Registration Certificate (and Corporate Registration if applicable)

D. Manufacturing / On‑Site Employment Permit System (E‑9 etc.)

E‑9 (Non‑Professional Employment) — Required for Extension

Employment Permit
Labor Contract
Certificate of Extension of Employment Activity Period
Guarantor Form

5) Proof of Residence — The Most Common Cause of Delays (Practical Examples)

“Proof of Residence (Address Verification)” is one of the most frequently requested supporting documents.
For students or trainees living off‑campus under someone else’s contract, extra paperwork is required.

According to Sungshin Women’s University guidelines:

Dormitory Residents:  Verification of Accommodation Provided (Form issued by the school)
External Residence (Contract under your name):  Copy of Lease Contract
External Residence (Contract under someone else’s name):  Lease Copy +  Lessor’s ID (front & back) +  Confirmation of Accommodation Provision (Sungshin Women’s University)

By getting this part right, you can avoid most follow‑up requests and extra trips to immigration.

6) Final Checklist Before Submitting (Avoid Rejection)

Use this checklist to catch common reasons for application denial:

 Confirm you are within the valid application window (from 4 months before expiry)
 If applying in person, ensure you’ve completed your Hi Korea appointment booking (and check if you qualify for exceptions)
 Verify passport validity (renew and report new passport if needed)
 Applications cannot be filed from abroad (plan your travel accordingly)
 Unpaid taxes or health insurance may block your extension (resolved payments required) (Immigration Service)
 For company documents, prepare according to business type (corporation vs. individual; include corporate registration if a corporation)

7) Conclusion: Decide Whether You’re School‑Affiliated or Company‑Affiliated—That Solves 80% of the Process

In the end, visa extension preparation boils down to this framework:

Four Common Documents (Application Form / Passport / ARC / Proof of Residence)
If you’re a student: Enrollment + Transcript + Tuition + (optional) Financial Proof (dongguk.edu)
If you’re employed: Employment Contract + Business Registration (+ Corporate Certificate, if applicable) + Role‑Specific Documents
If eligible, use Hi Korea online services to save time and reduce fees (Immigration Service)

Official Verification Channels (Double‑Check Before Submitting)

Since individual circumstances vary, these are the most reliable ways to confirm your final requirements:

Check Hi Korea’s visa‑type specific guides (recommended in official notices)
Consult the 1345 Immigration Contact Center (officially endorsed support line)

If you have further questions about visa extensions, feel free to contact us through our My We Bring channel.

K-Name Studio: Create your perfect Korean name based on your personality and style.
What’s My K-Beauty Personal Color?

뷰티 퍼스털 컬러 찾기
WeBring Service : Provides personalized services to foreigners living in Korea
Exclusive offer: Introducing foreign car rental in Korea, WeBring-SoCar