Filing a Thai legitimation registration in a process under the Child Adoption Centre, Department of Children and Youth — what translation and certification applies?

This question is specifically about “Filing a Thai legitimation registration in a process under the Child Adoption Centre, Department of Children and Youth”, so it separates what is specific to this file from the standard certification chain. After filing, follow up on the cycle the office states rather than waiting past the deadline. If the receiving body confirmed its requirements by email, keep that message with the file. Note who signed each certification and on what date for later reference. For documents going abroad, include international shipping time in the plan. Public holidays and embassy closures move certification queues more than most people expect. Before starting, make sure document numbers, issue dates and issuing-office names match across the set, then keep a digital copy of every page, including seals and signatures, then plan the timeline so certification finishes before the real filing deadline. The common failure in this group of cases is a translation that does not match the certification type required. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. The terms that frame this page are Filing · Thai · legitimation · registration. The specifics here are document type: Legitimation, and those decide which translation and certification level applies. In Thailand adoption is governed by the Child Adoption Act B.E. 2522 and the Civil and Commercial Code, with the Child Adoption Centre of the Department of Children and Youth, Ministry of Social Development and Human Security, as the competent authority. Once the process is complete the adoption must be registered with the district registrar to take full effect under Thai law. A Thai document filed with a foreign authority or court is translated in full — stamps, signatures and any text on the reverse included — then the translation is certified by the Legalisation Division of the Department of Consular Affairs, Ministry of Foreign Affairs, and afterwards by the destination country's embassy or consulate where that country requires it. Thailand is not a party to the 1961 Apostille Convention, so no apostille is issued on Thai documents. Confirm the accepted form of certification with the receiving body before work starts. The child's and the parents' names in the translation must match the passport spelling and agree across every document in the set — the single most common reason a file is returned. Where a name changed on marriage or divorce, or an older document romanised the name differently, attach the change-of-name evidence or a spelling statement so the documents visibly relate to one person. Dates of birth and ID numbers must also agree throughout. Cost and lead time depend on page count, target language, how many certified sets are required and the steps the receiving authority or court sets, so every file is quoted before work starts. Send scans of every page together with the letter or form the authority or court sent you, via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

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