ฉบับภาษาไทย: อ่านหน้านี้เป็นภาษาไทย
Does a court interpreter in Thailand have to take an oath?
Short answer
Yes in practice. Thai courts conduct proceedings in Thai, and where an interpreter is used the bench normally has that interpreter sworn or affirmed on the record before any testimony is rendered, in the same way a witness is sworn. The interpreter is also identified by name and identity document in the case file.
The oath matters procedurally, not ceremonially: once sworn, the interpreter's rendition becomes part of the record, and an objection to the interpretation is raised and ruled on like any other evidentiary objection. That is why an interpreter should never paraphrase, summarise or answer on behalf of a party — the correct response to an unclear question is to say so and ask the bench for a clarification.
Bring the interpreter's identity document to the hearing. Some courts record the passport or ID card number of the interpreter alongside the oath entry, and a missing document on the day can delay the sitting. Practice differs between courts, so confirm with the court clerk what that particular bench expects before the hearing date. Scope, turnaround and fees are confirmed by IVC staff by phone, LINE or email — this site does not publish prices.
Reviewed as of 2026-08-04. General guidance only, not case-specific advice and not a guarantee of outcome. Government fees, conditions and processing times are set by the responsible authority and can change. This site does not publish prices — please ask our staff.
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