For overseas Koreans, handling nationality loss declarations

and applying for an F-4 visa often requires multiple visits to embassies or administrative offices.

This means significant time spent on document preparation, appointments, and travel.

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However, if the jurisdiction is properly confirmed and all required documents are prepared in advance,

it is possible to complete everything—including nationality loss declaration

and F-4 visa application—within just one day in Korea.

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Today, we’ll share the story of Mr. Kim, a U.S. citizen, who managed to complete nationality loss declaration,

F-4 visa application, and fingerprint registration all in a single day at the Seoul Southern Immigration Office.

Can You Really Handle Both in One Day Without Preparation?

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Client Information
✔Name: Mr. Kim
✔Nationality: United States
✔Date of Birth: April 2, 1954
✔Residence in Korea: Mapo-gu, Seoul
✔Jurisdiction: Seoul Southern Immigration Office
✔Requested Services: Nationality loss declaration, F-4 visa application, Alien Registration Card (ARC)

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Mr. Kim first discovered HanGuk Visa through the YouTube channel of immigration specialist Eugene Kim and contacted us via KakaoTalk.

He entered Korea on July 7 and planned to depart on September 21. Although his overall stay was relatively long,

he needed to quickly complete his immigration procedures to open a bank account and sign a real estate contract before leaving.

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Since his planned residence was in Mapo-gu, his case fell under the jurisdiction of the Seoul Southern Immigration Office.

This office is especially advantageous for clients seeking fast processing,

as they allow same-day nationality loss declaration, F-4 visa application, and fingerprint registration.

Thanks to this, Mr. Kim was able to complete everything in just one visit.

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Why Is It Difficult to Handle Nationality Loss and F-4 Visa Together?

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There are several challenges:

1️⃣ Processing speed varies by jurisdiction

Seoul Southern Immigration Office allows same-day fingerprinting.

However, at Seoul Immigration (Head Office) and Sejongno Branch, fingerprinting cannot be completed on the same day, requiring additional visits.

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2️⃣ Strict documentation and reservation requirements

Without proper preparation, same-day processing is not possible.

What the Client Prepared vs. What HanGuk Visa Prepared

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✅ Client Provided:

✔Valid passport (original)

✔U.S. Naturalization Certificate (original)

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✅ HanGuk Visa Provided:

✔Immigration appointment confirmations

✔Drafting of nationality loss declaration forms

✔F-4 integrated application forms (including ARC)

✔Copies of passport & naturalization certificate

✔Issuance of Korean certificates (Basic Certificate, Family Relations, Removal from Family Register)

✔Proof of residence documents (real estate registry, lease contract, accommodation confirmation, etc.)

✔Copy of accommodation provider’s ID

✔Employment/occupation declaration and restricted job non-employment pledge

✔Korean name application

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Finalized Timeline

✔July 8: Office consultation at HanGuk Visa

✔July 10: Nationality loss declaration, F-4 visa application, and fingerprint registration completed at Seoul Southern Immigration Office

✔August 9: ARC (Alien Registration Card) issued

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For clients who need urgent processing, we often recommend applying through overseas consulates.

However, when the consulate is far from the client’s residence abroad, handling everything directly in Korea can be far more efficient.

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In Mr. Kim’s case, if he had applied in the U.S., he would have had to make multiple visits to the embassy.

Instead, he was able to complete everything in just one day in Korea.

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Ultimately, his F-4 visa was applied for on July 10, and his ARC was issued by August 9

—just about one month later. Mr. Kim was highly satisfied with the fast and efficient process.

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Service Summary
✅ Service Name: Nationality Loss + F-4 Visa Application + ARC (Alien Registration Card) Processing
✅ Service Fee: KRW 520,000 per person
✅ Processing Time: Approx. 1 month (faster than the typical 5–6 weeks)

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Who Is This Service For?

✅ Those who want to complete nationality loss declaration and F-4 visa application in one stay

✅ Clients who need quick processing due to bank, real estate, or other time-sensitive matters

✅ Anyone who wants one-stop support for jurisdiction selection, reservations, and document preparation

✅ Those who want to finish both visa application and fingerprint registration in a single day

Do you need a customized visa solution?

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As seen in Mr. Kim’s case, with accurate documentation and careful scheduling,

nationality loss declaration, F-4 visa application, and even ARC issuance can be completed quickly and efficiently in Korea.

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HanGuk Visa provides tailored visa solutions for overseas Koreans and foreign residents in Korea.

From individual and corporate visa consulting to full representation, translation services,

and stay management, we offer fast, reliable, and convenient support.

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For detailed consultation, feel free to contact us. We will provide the best visa solution for your situation.

📞 Tel: 02-3210-1113

✉ KakaoTalk Channel: 한국비자 (Hanguk Visa)