F-5-24 Permanent Residency Korea: Document Checklist for Free Economic Zone Workers [2026]

1. What Is the F-5-24 Route?

The F-5-24 route provides permanent residency for foreign professionals who have been employed for a qualifying period in Korea's designated Free Economic Zones (FEZs) — such as Incheon (IFEZ), Busan-Jinhae, Gwangyang Bay, Saemangeum, and others. The route was designed to attract and retain high-skilled foreign talent in Korea's strategic economic development zones.

Applicants typically hold an E-7 or equivalent work visa and are employed by an FEZ-registered company. Compared with general permanent residency routes, F-5-24 has a lower language requirement and allows a special FEZ authority recommendation letter to substitute for or supplement certain requirements. Special provisions may also apply under individual FEZ authority regulations.

Once F-5-24 is granted, the holder receives full F-5 permanent residency status, carrying the same rights as any other permanent resident regardless of the sub-route used. The F-5 status is renewable and carries no fixed occupational restriction.

2. Korea's Free Economic Zones — Overview

Korea operates eight designated Free Economic Zones across the country, each managed by its own FEZ authority (경제자유구역청). The zone in which your employer is registered determines which FEZ authority you interact with when obtaining the recommendation letter and company registration certificate.

3. Eligibility Requirements

The following table summarizes the core eligibility conditions for the F-5-24 route. All conditions must be satisfied at the time of application unless otherwise noted.

4. Core Document Checklist

The following documents are required for a complete F-5-24 application. All certificates must be current (within the validity periods specified) and any foreign-language documents must be accompanied by a certified Korean translation.

5. FEZ Authority Recommendation Letter

One of the defining features of the F-5-24 route — distinguishing it from most other PR pathways — is the role of the FEZ authority recommendation letter (경제자유구역청 추천서). This letter can substitute for or supplement certain requirements that would otherwise block an application.

What the FEZ Authority Letter Can Do

• Serve as a recognized alternative to the TOPIK Level 2 language certificate in qualifying cases
• Strengthen the overall application by providing an official government body's endorsement of the applicant's value to the FEZ
• Supplement weak points in the application where the FEZ authority verifies the applicant's continuous service and integration

How to Obtain the FEZ Authority Letter

1. Contact the relevant FEZ authority — specifically the human resources or foreign investment support team of your zone's authority (e.g., IFEZ Authority for Incheon companies)
2. Provide your employment details — the authority will verify your employment, confirm the FEZ registration of your company, and assess your eligibility for the letter
3. Submit supporting documents — typically includes your passport, ARC, employment contract, and the company's FEZ registration certificate
4. Receive the letter — the FEZ authority issues the recommendation letter on official letterhead; this can then be included in your PR application package

6. Income Documentation in Detail

Income documentation is one of the most carefully reviewed components of the F-5-24 application. The standard applied is the same GNI per capita threshold used for E-7 visa renewal — approximately KRW 40–42M per year for 2025–2026 applications.

근로소득원천징수영수증 — The Key Income Document

The wage and salary income withholding certificate (근로소득원천징수영수증) is the primary income verification document. Submit this certificate for each of the 3 qualifying years, obtained from the National Tax Service (국세청) via HomeTax (홈택스). Each certificate must clearly reflect total annual salary for that year.

Income Documentation Rules

• Year-by-year threshold compliance is required — the GNI threshold is applied per year, not as a 3-year average; a single below-threshold year may result in rejection
• FEZ companies often pay above average — verify your salary records before applying rather than assuming they meet the threshold
• Salary below threshold in any year — if the shortfall was minor, submit a supplementary employer explanation letter documenting bonuses, benefits, or other compensation; consult an attorney if uncertain
• Foreign currency salaries — if your salary was paid in USD, EUR, or other foreign currency, provide official exchange rate records for each relevant year to demonstrate KRW equivalent value
• Multiple employer situations — if you changed employers during the qualifying period, provide income certificates from each employer covering the entire 3-year window without gaps

7. Common Rejection Issues

Understanding the typical reasons for F-5-24 rejection allows applicants to prepare proactively. The table below lists the most frequently encountered issues and the steps you can take to prevent them.

8. Comparison: F-5-24 FEZ vs F-5-4 E-7 Route

Both F-5-24 and F-5-4 are commonly used by skilled foreign workers in Korea seeking permanent residency. The key differences arise from the FEZ-based employment requirement and the language flexibility of F-5-24. The table below highlights the main distinctions.

Frequently Asked Questions