A declaration or certificate of heirship — what should you know about succession-related requirements?

The case under review is “A declaration or certificate of heirship”, so it separates what is specific to this file from the standard certification chain. The next step is confirming the filing channel and the copy or file format required. For documents going abroad, include international shipping time in the plan. Plan the schedule with room for at least one review cycle at the receiving office. Note who signed each certification and on what date for later reference. High-resolution photos of seals and signatures help when the destination asks for re-verification. Run the Thai and overseas document tracks in parallel, since their timelines differ. Wills and court orders keep their legal wording and clause structure in translation. The specifics here are document type: Heirdeclare, and those decide which translation and certification level applies. The terms that frame this page are declaration · certificate · heirship · know. The common failure in this group of cases is a translation that does not match the certification type required. The biggest risk in cases like this is doing the certification steps out of order, which forces a restart. Before starting, ask in advance which category of certified translator the destination accepts, then plan the timeline so certification finishes before the real filing deadline, then keep a digital copy of every page, including seals and signatures. 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