A will and its annexes — what should you know about succession-related requirements?

The scope of this answer is “A will and its annexes”, so the answer below starts with what this case actually needs before setting out the general rules. Once the set is complete, check it line by line against the destination's own checklist before filing. The common failure in this group of cases is a translation that does not match the certification type required. What sets this case apart is the number of certified sets and the window in which they must be used. Before starting, verify the source document is still within any validity window the recipient applies, then count the number of certified sets needed before work starts, because extra sets restart the certification steps, then confirm with the receiving body whether it wants an original, a certified copy or a certified translation. The specifics here are document type: Will, and those decide which translation and certification level applies. The terms that frame this page are annexes · know · succession-related · requirements. Wills and court orders keep their legal wording and clause structure in translation. The deceased's and heirs' names must be spelled identically throughout; if not, add evidence they are the same person. Leave buffer time in case a translation has to be amended or a source document re-issued. When several certification layers are required, start with the slowest one. High-resolution photos of seals and signatures help when the destination asks for re-verification. Attach a document index to the bundle so nothing is lost during review. Succession in Thailand is governed by the Civil and Commercial Code, Book VI on Succession, which sets out the classes of statutory heirs and their shares from section 1629 onwards, with the lawful spouse inheriting alongside the statutory heirs in the order fixed by law. Translations must therefore reproduce names, dates of birth, identification numbers and registered relationships identically across every document, because the receiving authority uses exactly those details to establish heirship. In practice banks, the Land Department and registrars act on a court order appointing an estate administrator together with a court-certified copy, rather than on the will alone. Appointment of an estate administrator follows sections 1711 to 1713 of the Civil and Commercial Code by petition to the court with jurisdiction. Supporting documents typically include the death certificate, house registration, marriage or divorce certificate, heirs' birth certificates, an inventory of the estate and heirs' letters of consent. Accuracy matters especially in estate and claim files. Monetary amounts, policy numbers, case numbers and years, title-deed and parcel numbers, heirs' names as recorded in the civil registration and the spelling used in the passport must match across every document. Where older records use a different spelling, flag it in advance so a translator's note can explain the discrepancy — the source text itself can never be altered. Cost and lead time depend on page count, target language, how many certified sets are needed and the steps the receiving authority requires, so every file is quoted before work starts. Send scans of every page together with the written requirements from the court, bank, insurer or receiving authority via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

ปรึกษาฟรี — LINE @NAATI · โทร 080-5578887 · อีเมล ilc@thainotary.co.th