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Today, 30 June 2026, the Kingdom of Thailand deposited its instrument of accession to the Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents (1961 Apostille Convention).

At the ceremony, held at the Ministry of Foreign Affairs of the Netherlands, depositary of the HCCH Conventions, Thailand was represented by:

• H.E. Mr Asi Mamanee, Ambassador to the Netherlands;
• Mr Juthakeart Montapaneewat, Counsellor at the Embassy of Thailand;
• Ms Utoomporn Ampaivit, Minister attached to the Department of Consular Affairs of the Ministry of Foreign Affairs of Thailand;
• Mr Krisanan Patsamarn, Third Secretary, Legalization Division of the Department of Consular Affairs of the Ministry of Foreign Affairs of Thailand;
• Mr Waranyoo Chumsri, Third Secretary, Legalization Division of the Department of Consular Affairs of the Ministry of Foreign Affairs of Thailand;
• Pol. Lt. Gen. Panumas Boonyalug, Commissioner of the Immigration Bureau of the Royal Thai Police; and
• Pol. Maj. Gen. Pratya Prasarnsuk, Deputy Commissioner of the Immigration Bureau of the Royal Thai Police.

The depositary was represented by Mr Jules van Eijndhoven, Head of the Treaties Division, Mr Rieks Boekholt, Senior Legal Officer at the Treaties Division, and Ms Claudia van Dijk, Country Officer at the Asia and Oceania Department. The Permanent Bureau of the HCCH was represented by Dr Christophe Bernasconi, Secretary General, and Ms Melissa Ford, First Secretary (Diplomat Lawyer) and Head of the Transnational Litigation & Apostille Division.

With the accession of Thailand, the 1961 Apostille Convention now has 130 Contracting Parties. It will enter into force for Thailand on 28 February 2027. More information on this Convention is available on the Apostille Section of the HCCH website.

Thailand has been a Member of the HCCH since 2021 and is now a Contracting Party to three HCCH Conventions.