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Name change: reissue Thai records or prove same-person

When old records and your passport disagree, two routes are commonly accepted; they differ in time and cost.

Reissue the full document set under the current name

A strict receiver wants every document to match

Certifying authority
The issuing district registrar and the Department of Consular Affairs
Indicative timeline
Variable by registrar and volume
Pitfalls / common rejections
Some records (e.g. birth certificates) always reissue under the original name

Change-of-name / same-person certificate + certified translation

Old documents cannot be reissued, or there are many of them

Certifying authority
District registrar, Consular Affairs, destination embassy where required
Indicative timeline
Variable — days to weeks
Pitfalls / common rejections
Transliteration that differs from the passport breaks the identity chain

Notify the destination institutions directly

You already hold records abroad — residency file, bank, social insurance

Certifying authority
Each destination institution
Indicative timeline
Variable per institution
Pitfalls / common rejections
Updating only some institutions creates conflicts at visa renewal

Note: Timelines above are practical estimates from live casework and can change with each authority's policy; confirm with the receiving authority before you plan. If you would rather not test routes by trial and error, our advisers (15+ years of casework) can assess your case and handle the whole chain for you.

See the document checklist for this service

Let our advisers map the route

Send document photos and your destination country. We assess which route fits and can run the full process, with regular status updates.

Let our advisers map the route