Thailand Public Will Rules 2026, What Individuals and Expats Must Know

Last reviewed: 16 May 2026

Thailand’s rules on public wills have undergone their most significant overhaul in more than sixty years. The Ministerial Regulation on the Preparation of Wills and Declarations of Intention Concerning Inheritance, B.E. 2569 (กฎกระทรวงการทำพินัยกรรมหรือการแสดงเจตนาเกี่ยวกับมรดก พ.ศ. 2569), took effect on 24 March 2026, standardising how public wills in Thailand are prepared, witnessed and registered at district offices nationwide. For Thai citizens and the large expatriate community holding Thai-based assets, the regulation creates new procedural requirements, and new protections, that demand immediate attention. This guide explains what changed, walks through the registration process step by step, and identifies the risks that arise when the new procedures are not followed correctly.

What Changed in 2026: The Ministerial Regulation on Public Wills in Thailand

The Ministerial Regulation B.E. 2569, published in the Royal Gazette and confirmed by the Thai government on its official news portal, replaced the previous ad hoc procedural framework that had governed district-office will registration since the 1960s. The regulation’s scope extends beyond public wills to cover secret wills deposited at district offices and certain inheritance-related declarations, but its most significant practical impact falls on the public-will process under Section 1658 of the Civil and Commercial Code.

The core changes are as follows:

• Nationwide standardised forms. District offices (Amphur, King Amphur and Bangkok Khet offices) must now use uniform templates issued by the Department of Provincial Administration (DOPA) for recording testamentary declarations, witness statements and registration entries.
• Registration at any district office. Testators are no longer limited to the district where they hold house registration. A public will can now be registered at any district office in the country, giving foreign residents and domestic travellers greater flexibility.
• Official will register. Each district office maintains a formal will register. The completed will is recorded in this register, and the testator receives a certified copy together with an official receipt.
• Deposit of sealed wills. The regulation clarifies the procedure for depositing sealed (secret) wills at the district office, including documentation of who deposited the will, when, and in whose presence.
• Identity verification and witness procedures. Strengthened requirements govern how district officers verify the testator’s identity and the qualifications of witnesses.

Types of Wills in Thailand and Which Is ‘Public’

Before examining the registration process, it helps to understand where public wills sit within the broader framework of Thai succession law. The Civil and Commercial Code, Sections 1655–1672, recognises several forms of valid wills:

When Expats Should Prefer a Public Will

Industry observers note that the public will is widely regarded as the most secure form of testamentary instrument in Thailand because it is created and held by a government authority, reducing the risk of forgery, loss or disputes over authenticity. Expats who hold Thai real estate, particularly condominium units or leasehold interests, may find that a registered public will significantly simplifies the probate and title-transfer process. The district office’s official record can be produced directly to the Land Department and to the courts, whereas a private written will typically requires additional authentication steps. For individuals with assets in multiple jurisdictions, the public will can be coordinated alongside a separate will covering foreign assets to avoid conflicts.

Who Can Make a Public Will: Eligibility and Special Cases

Under Thai law, any person aged 15 years or older who is of sound mind may make a will. There is no citizenship or residency requirement: foreigners do not need permanent residency, a Thai visa or a house registration book (tabien baan) to execute a valid public will. The testator must, however, be able to present acceptable identification at the district office, typically a passport for foreigners or a national ID card for Thai citizens.

The 2026 Ministerial Regulation reinforces the district officer’s obligation to verify that the testator is acting voluntarily and is mentally competent. Where the testator is elderly, infirm or there is any indication of diminished capacity, the officer may request supporting documentation.

Medical Certificates and Incapacity Safeguards

Although the law does not mandate a medical certificate for every testator, obtaining one from a licensed physician shortly before the appointment is considered best practice, particularly for testators over 70 or those with a history of cognitive illness. A contemporaneous medical certificate creates a strong evidential record against future claims of incapacity or undue influence. The forensic examination of signatures and handwriting on wills has become an increasingly common aspect of Thai succession disputes, making proactive evidence preservation essential.

Step-by-Step: How to Register a Public Will at the District Office

The process of registering a public will at the district office under the 2026 Ministerial Regulation follows a defined procedural flow. The steps below reflect the standardised approach outlined in the DOPA practice manual and the regulation itself.

Before You Go: Documents to Prepare

Preparing the correct documents in advance avoids delays and return visits. The public will registration checklist below covers the essential items:

At the District Office: Staff Steps and Forms

On arrival, the testator and witnesses report to the civil registration section. The 2026 procedure follows these standardised steps:

1. Identity check. The district officer verifies the identities of the testator and all witnesses against their identity documents.
2. Oral declaration. The testator verbally declares their testamentary wishes to the district officer. There is no requirement to bring a pre-drafted document, although having written notes or a lawyer-prepared summary of the intended bequests is strongly recommended to ensure accuracy.
3. Recording. The officer records the testator’s declaration in writing on the standardised form prescribed by the Ministerial Regulation. This includes the date, the names and identification of the testator and witnesses, and the full text of the testamentary provisions.
4. Read-back and confirmation. The officer reads the recorded text aloud to the testator and the witnesses. The testator confirms that the record accurately reflects their wishes.
5. Signatures. The testator signs (or affixes a thumbprint if unable to sign) the document. Both witnesses then sign. The district officer signs and applies the official seal.
6. Registration. The completed will is entered in the official will register maintained at the district office. The testator receives a certified copy of the registered will and an official receipt.

Witness Rules and Identity Checks

A public will under Section 1658 of the Civil and Commercial Code requires at least two witnesses to be present throughout the entire process, from the oral declaration through the read-back and signing. Witnesses must be adults of sound mind. The Code disqualifies certain persons from acting as witnesses to a will, including minors, persons of unsound mind, and those who are deaf, mute or blind. Crucially, a beneficiary named in the will, and their spouse, should not serve as a witness, as this may render the bequest to that beneficiary void under Section 1653.

Fees, Copies and Receipt

District offices charge a modest administrative fee for public will registration. Practitioners should verify the current fee schedule with the specific district office, as DOPA circulars may update amounts. The testator receives a certified copy of the will; additional certified copies can typically be requested for a small per-page fee. It is advisable to retain the official receipt as proof of registration and to store the certified copy separately from other personal documents.

If the Testator Cannot Attend in Person

The nature of a public will, an oral declaration before a district officer, generally requires the testator’s personal attendance. Industry observers note that remote or proxy execution is not contemplated by the Ministerial Regulation or by Section 1658. Where a testator is bedridden or physically unable to travel, some district offices may arrange for an officer to attend the testator’s location (hospital or home), although this is discretionary and should be confirmed in advance with the relevant Amphur. For individuals who cannot attend any district office, a privately drafted written will under Section 1656 may be a more practical alternative.

Expats and Foreigners: Practical Requirements and Cross-Border Issues

Foreigners can make a public will in Thailand regardless of visa status, residency or nationality. The process is the same as for Thai nationals, with a few additional practical considerations that affect wills for expats in Thailand.

• Language. The district officer records the will in Thai. If the testator does not speak Thai, a qualified interpreter should attend the appointment to translate the oral declaration and the read-back. Having a bilingual lawyer present ensures that legal terminology is conveyed accurately.
• Translation of the registered will. The certified copy of the will is issued in Thai. For use outside Thailand, or for presentation to foreign courts and banks, a certified English (or other language) translation will be needed. The translation should ideally be prepared by a sworn translator and notarised or legalised by the relevant embassy or consulate.
• Dual wills strategy. Expats with assets in Thailand and one or more other countries should consider executing separate wills for each jurisdiction. The Thai public will should cover only Thai-sited assets (real property, Thai bank accounts, locally held investments) and should include a clear statement that it does not revoke wills made in other jurisdictions. This is a critical drafting point: a broadly worded revocation clause in a new will can inadvertently revoke a valid foreign will. Detailed guidance on structuring dual wills is available in our guide on registration of wills by expats.
• Property restrictions. Foreigners generally cannot own freehold land in Thailand, but they can own condominium units (within the foreign ownership quota), leasehold interests, movable property and Thai-registered investments. A public will can cover all of these asset classes.
• Embassy involvement. Some embassies offer notarial services for wills, but these produce private foreign-law documents rather than Thai public wills. For maximum enforceability within Thailand, executing a public will at a Thai district office remains the preferred route.

Expats who hold assets in South-East Asian jurisdictions outside Thailand may also benefit from reviewing how neighbouring countries handle cross-border succession, for instance, the rules governing wills for foreigners in Vietnam or the treatment of inheritance estates of foreigners deceased in Vietnam.

What Happens After Death: Inheritance Procedures and Thailand Estate Administration

A registered public will streamlines the post-death inheritance procedures in Thailand. When the testator dies, the certified copy of the public will, or the original held at the district office, serves as primary evidence of testamentary intent. The key stages in Thailand estate administration are as follows:

1. Locating the will. Because the public will is recorded in the district office’s official will register, heirs or the appointed estate administrator can request a certified copy from the registering office. This eliminates the common problem of lost or concealed private wills.
2. Applying for an administrator order. Under the Civil and Commercial Code, an interested party (typically the named executor or an heir) must petition the court to be appointed as estate administrator. The court application requires the will, the death certificate, evidence of the applicant’s relationship or appointment, and an inventory of the estate.
3. Court appointment and administration. Once appointed, the administrator has the authority to manage the estate, collecting assets, settling debts and distributing property to the beneficiaries named in the will. The administrator must act within the framework of the court order and is accountable to the beneficiaries.
4. Transfer of assets. For real property, the administrator presents the court order, death certificate and registered will to the Land Department to transfer title to the beneficiaries. Thai bank accounts are released upon presentation of the same documentation to the holding bank.

When Probate Is Required

Thai law requires a court-appointed administrator for virtually all estates, whether or not a will exists. The likely practical effect is that a registered public will accelerates, rather than eliminates, the probate process, because the court can rely on the district office’s authenticated record rather than requiring extensive proof of the will’s validity. For smaller estates where beneficiaries agree, the process may be completed in a matter of months. Contested estates or estates involving foreign assets may take significantly longer.

Validity of Wills in Thailand: Transitional Rules for Existing Documents

A critical question for anyone who already holds a Thai will is whether the 2026 Ministerial Regulation invalidates existing documents. The answer is no. The regulation governs procedure at the district-office level; it does not alter the substantive rules of the Civil and Commercial Code that determine the validity of wills in Thailand.

Public wills registered before 24 March 2026 under the previous procedural framework remain legally valid. Similarly, private written wills under Section 1656 and secret wills under Section 1660 are unaffected, they continue to be governed by the same Code provisions as before. There is no legal requirement to re-register an existing will.

That said, individuals who registered a public will many years ago may wish to consider voluntarily re-registering under the new standardised forms. The likely practical benefit is an updated registration record that conforms to the format now expected by courts and the Land Department, potentially reducing administrative friction during probate. Anyone whose circumstances have changed, new assets, new beneficiaries, marriage, divorce, should treat the 2026 reform as a prompt to review and update their estate plans.

Risks, Disputes and Administrative Review

The standardised procedures introduced by the 2026 Ministerial Regulation are designed to reduce disputes, but they do not eliminate them entirely. Common risk scenarios involving public wills include:

• Forgery or coercion. Where a will is alleged to have been executed under duress or where the testator’s signature is disputed, heirs may challenge the will’s validity in court. A registered public will carries stronger evidential weight than a private document, but it is not immune from challenge.
• Improper witnessing. If a witness was disqualified (for example, because they were a beneficiary or a minor), specific bequests or even the entire will may be voided.
• Clerical errors at the district office. Misspelled names, incorrect identification numbers or omitted assets in the recorded text can create ambiguity. Testators should review the recorded will carefully during the read-back stage and request corrections before signing.
• Administrative review. Where a district officer refuses to register a will or records it incorrectly, the testator may seek reconsideration through DOPA’s internal complaint mechanisms or, ultimately, through judicial review in the Administrative Court. Documenting every step of the registration process, including photographs of submitted documents and the signed will, is essential evidence preservation.

When to Instruct a Lawyer

Legal representation is not legally required to make a public will, but engaging an administrative-law practitioner is strongly advisable in the following situations: high-value or complex estates; cross-border asset structures; any indication of family disputes or potential challenges; cases involving elderly or vulnerable testators; and any instance where a district office raises procedural objections. In urgent cases, for example, where an interested party seeks to prevent the registration of a will alleged to be fraudulent, emergency injunctions may be available through the courts.

Public Will Registration Checklist, Quick Reference

The following condensed checklist summarises the essential steps and documents for registering a public will at a Thai district office under the 2026 Ministerial Regulation:

• Confirm eligibility. Testator is aged 15 or older and of sound mind; no citizenship or residency requirement.
• Gather identity documents. Thai ID card or valid passport (foreigners); house registration book if available.
• Prepare asset schedule. List all Thai-sited assets with title deed numbers, account numbers and descriptions.
• Identify beneficiaries. Full legal names, ID/passport numbers and addresses for all beneficiaries.
• Arrange two qualified witnesses. Adults of sound mind; not beneficiaries or spouses of beneficiaries; bring their ID documents.
• Obtain medical certificate (recommended). From a licensed physician, dated within 30 days of registration.
• Arrange interpreter if needed. For non-Thai-speaking testators; ideally a bilingual lawyer.
• Attend any district office. No geographic restriction under the 2026 regulation; confirm operating hours with the specific Amphur or Khet office.
• Review the read-back carefully. Verify all names, numbers and bequests before signing.
• Collect certified copy and receipt. Store separately from original documents; consider placing a copy with your lawyer.
• Coordinate with foreign wills. Include a statement that the Thai public will does not revoke wills in other jurisdictions.

Conclusion: Next Steps for Compliance with Thailand’s 2026 Public Will Rules

The 2026 Ministerial Regulation represents a meaningful modernisation of public wills in Thailand, introducing standardised procedures that benefit testators, heirs and the administrative system alike. For Thai citizens and expatriates with Thai-sited assets, the practical next step is straightforward: review your current estate plan, gather the documents listed in the checklist above, and contact an experienced administrative-law practitioner to ensure that your public will is registered correctly and coordinated with any wills in other jurisdictions. Acting promptly reduces the risk of procedural complications and ensures that your testamentary wishes are recorded in the most secure form available under Thai law.

Sources

1. Office for Civil Registration (Department of Provincial Administration), Ministerial Regulation B.E. 2569
2. Department of Provincial Administration (BORA), Registration Guidance and Practice Manual
3. Thai Government Announcement, Enforcement Date (24 March 2026)
4. Thailand Law Online, Inheritance Laws and Wills in Thailand
5. Lexology, Thailand Modernizes Public Will Procedures
6. LexBangkok, Thai Will Ministerial Regulation 2569
7. Silk Legal, New Regulation Standardising Wills and Inheritance Procedures
8. SILQ Law, Thailand’s 2026 Update to Public Will Regulations
9. Siam Legal International, Thailand Last Will and Testament FAQs
10. ThaiEmbassy.com, Foreigner Making a Will in Thailand