ฉบับภาษาไทย: อ่านหน้านี้เป็นภาษาไทย
When must a prenuptial agreement be made in Thailand?
Short answer
Before the marriage is registered. Under the Civil and Commercial Code a prenuptial agreement must be made in writing, signed by both spouses and two witnesses, and either entered in the marriage register at the time of registration or attached to it — an agreement signed after registration is void as a prenuptial agreement.
Plan it as part of the registration appointment, not as a separate errand. The district office needs the text at the moment it registers the marriage, so the agreement should be finalised, translated where a spouse does not read Thai, and reviewed by both sides in advance. Registering first and 'sorting the agreement out next week' cannot be repaired.
Scope is limited to property. A prenuptial agreement can define what stays personal property and how assets acquired during the marriage are treated, but it cannot override the mandatory provisions on parental duties or contradict public order and good morals. Where one spouse is foreign, keep a bilingual version so that a court abroad can read the same terms. 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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