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Marriage Certificate (for citizenship) → United States citizenship 🇚ðŸ‡ļ

USCIS · Green Card → 5 yrs (3 if married) → N-400

From THB 4,50010-21 working days

To file with USCIS in United States for a citizenship pathway, the Marriage Certificate (for citizenship) is one of the required core documents — pathway: Green Card → 5 yrs (3 if married) → N-400.

10+ years and 2,800+ cases supporting naturalisation, renunciation, dual citizenship and PR applications.

Why United States insists on this document: Every Thai document requires Apostille + certified English translation.

End-to-end route: file Marriage Certificate (for citizenship) at the District Registrar (1-3 days) → English translation → MFA → Apostille → USCIS.

Pathway: Green Card → 5 yrs (3 if married) → N-400 · Residence requirement 5 (3 spouse) yrs · Dual nationality: allowed.

First-pass acceptance: 94-96%.

How it works

  1. 1

    Destination checklist

    Compare USCIS requirements against the current Marriage Certificate (for citizenship) format.

  2. 2

    Request Marriage Certificate (for citizenship)

    Filed at the District Registrar via power of attorney, 1-3 working days.

  3. 3

    English translation

    Registrar-listed translator with a citizenship/immigration glossary.

  4. 4

    MFA legalisation

    Chaeng Wattana — 2-3 working days.

  5. 5

    Apostille

    Fast Apostille route via MFA.

  6. 6

    Submit to USCIS

    Filed in person at the destination embassy in Bangkok or via DHL.

Frequently asked questions

Does United States accept Apostille?

Yes — MFA Apostille is sufficient.

Translation language?

English, by a translator accepted by the destination authority.

Citizenship pathway?

Green Card → 5 yrs (3 if married) → N-400

Residence requirement?

5 (3 spouse) years — combined pre- and post-PR.

Is dual nationality allowed?

Yes — Thai nationality can be retained.

Approximate total cost?

20 āļšāļēāļ— + translation THB 800-1,500/page + MFA THB 200-400 + Apostille free + destination fees.

Total time in Thailand?

10-21 working days for a single document set; renunciation adds 4-12 months separately.

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