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NPT Notary Public Thailand
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Apostille • Q&A • Answered by NSA Lawyer

How does Thailand's 2025 Apostille convention work in practice?

Quick Answer

Thailand acceded to the Hague Apostille Convention on 2 Jan 2025 (effective for Thailand 14 Sep 2025). Apostilles are issued by the MFA Department of Consular Affairs in Chaeng Watthana for 125+ member states; embassy legalization is no longer needed for those countries. NPT process: THB 2,500–4,500, 3–5 working days.

Detailed Answer

Thailand deposited its accession instrument on 2 January 2025 and the Apostille Convention entered into force for Thailand on 14 September 2025. From that date, a single Apostille certificate issued by the Department of Consular Affairs (Ministry of Foreign Affairs, Chaeng Watthana Road) replaces the previous MFA-then-Embassy legalization chain for any of the 125+ Convention member states (US, UK, all EU, Japan, Korea, Singapore, Australia, etc.). Non-member destinations (e.g. UAE, Saudi Arabia, Vietnam, Taiwan, mainland China for now) still require traditional consular legalization. NPT workflow: (1) prepare original or notarized copy, (2) translate into Thai if foreign-issued, (3) MFA legalizes underlying document, (4) MFA affixes Apostille sticker, (5) we courier back. THB 2,500 base + THB 200/page MFA fee. Standard 3–5 working days, express 1–2 days.

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