Original document
Obtain an original or certified copy from district registration offices.
Certifying a name change certificate (Chor 3 / Chor 5) and its translation for use abroad usually involves legalisation by the Legalization Division, Department of Consular Affairs, then by the destination country's embassy where required. The original is issued by district registration offices.

Certifying a name change certificate (Chor 3 / Chor 5) and its translation for use abroad usually involves legalisation by the Legalization Division, Department of Consular Affairs, then by the destination country's embassy where required. The original is issued by district registration offices.
This page covers legalisation of a name change certificate (Chor 3 / Chor 5) for linking old and new names across degrees, passports and foreign records. The Apostille Convention takes effect for Thailand on 28 February 2027; until then chain legalisation through Consular Affairs and the embassy applies.
Obtain an original or certified copy from district registration offices.
Submit the original with a translation in the department's required format.
Some destinations require further legalisation at their embassy in Thailand.
Transliterate old and new names consistently with other documents in the same file.




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