Article 266: Forgery of a will, share certificate, bill or certificate of deposit
Statutory text (Thai original)
ผู้ใดปลอมเอกสารดังต่อไปนี้ (๑) เอกสารสิทธิอันเป็นเอกสารราชการ (๒) พินัยกรรม (๓) ใบหุ้น ใบหุ้นกู้ หรือใบสำคัญของใบหุ้นหรือใบหุ้นกู้ (๔) ตั๋วเงิน หรือ (๕) บัตรเงินฝาก ต้องระวางโทษจำคุกตั้งแต่หนึ่งปีถึงสิบปี และปรับตั้งแต่สองหมื่นบาทถึงสองแสนบาท
English translation
Whoever forges any of the following documents:
(1) a document of title that is an official document;
(2) a will;
(3) a share certificate, a debenture certificate, or a warrant for a share certificate or a debenture certificate;
(4) a bill, that is, a bill of exchange, a promissory note, or a cheque; or
(5) a certificate of deposit,
shall be liable to imprisonment from one year to ten years and a fine from twenty thousand baht to two hundred thousand baht.
ThaiLawOnline translation, written from the Thai original and verified
Firm annotation
Section 266 is the most aggravated tier of forgery, above both Sections 264 and 265. The aggravating element is again the class of document, limited to the five instruments listed in (1) to (5): a document of title that is also an official document, a will, a share certificate or debenture certificate or a warrant for either, a bill within the meaning of the Civil and Commercial Code (a bill of exchange, a promissory note, or a cheque), and a certificate of deposit. Conviction requires the forged document to fall inside one of those five categories; where it does not, the conduct is charged under Section 265 or Section 264. The limb most often litigated in practice is the will, which makes this the operative provision in contested Thai estate cases where the authenticity of a testamentary document is challenged. Use of a document forged under this section is punishable under Section 268, carrying the same one to ten year exposure.
Why this matters in practice
The exposure under Section 266 is severe: a one-year minimum and a ten-year maximum, which makes suspension of sentence far less likely than under Sections 264 and 265, especially where the amount involved is large. Cases commonly bundle Section 266 with use of the forged document under Section 268, and with theft or embezzlement where an employee or fiduciary is involved. The defence often turns on whether the forged item truly qualifies as one of the four listed categories, since misclassification can pull the case down to a lighter section. Given the stakes, restitution, cooperation, and early legal advice materially affect outcome. For related property offences see fraud and scam laws in Thailand.
Décisions de la Cour suprême interprétant cette section
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Arrêt de la Cour suprême n° 3471/2567 (2024)
Section 266 (1) requires the forged document to be a document of title that is also an official document. A local maintenance tax payment document (ภ.บ.ท. 5) is made by an official in the course of duty and given to the occupier of land as evidence of payment, so it is an official document under Section 1 (8); but it is not evidence of the creation, alteration, transfer, reservation or extinction of a right, so it is not a document of title under Section 1 (9). Even on a plea of guilty, forging or using such a document cannot be punished under Section 266 (1).
The defendant altered the name of the true landowner on a local maintenance tax payment document (ภ.บ.ท. 5) and produced and handed it over as security for a loan from the plaintiff, pleading guilty to charges under Sections 264, 265, 266 and 268. The Supreme Court held that document an official document under Section 1 (8) but not a document of title under Section 1 (9), so even on the plea he could not be convicted of forging or using a forged official document of title. It varied the judgment to Section 265 and Section 268 paragraph one read with Section 265. It also held the case had still been in progress under section 28 of the Courts of Justice Organisation Act, so a newly assigned judge had power to hear it and give judgment.
Curated decisions with case numbers verified against the Supreme Court database. English renderings are the firm's editorial translation for study.
Cited in 211 Supreme Court decisions (1959 to 2024)
Décisions de citation sélectionnées
- Decision 5501/2564 (2021)
- Decision 4225/2559 (2016)
- Decision 15315/2557 (2014)
- Decision 1721/2554 (2011)
- Decision 1761/2552 (2009)
- Decision 3636/2550 (2007)
- Decision 9051/2547 (2004)
- Decision 2261/2547 (2004)
Cette liste est sélectionnée automatiquement, en privilégiant les jugements qui reposent sur cet article plutôt que sur ceux qui se contentent de le citer lors du prononcé de la peine. Elle n'a pas encore été examinée par le cabinet.
Le plus souvent cité aux côtés de
- Article 264 185
- Article 268 177
- Article 265 149
- Article 83 129
- Article 91 128
- Article 90 84
Sections qui apparaissent le plus souvent dans les mêmes jugements que celui-ci. Le chiffre correspond au nombre de décisions.
Calculé sur l'ensemble du corpus de 83 652 décisions de la Cour suprême du cabinet, de 1921 à 2026. Le décompte est exhaustif ; la plage d'années indiquée élimine les valeurs aberrantes rares afin de refléter la répartition réelle des citations. Ces chiffres sont calculés par nos soins et ne constituent pas des statistiques officielles de la Cour. Comment nous les comptons et ce que nous avons mesuré
Foire aux questions
Quels documents relèvent de l'article 266 ?
Five categories, numbered (1) to (5) in the section: a document of title that is also an official document; a will; a share certificate, a debenture certificate, or a warrant for either; a bill, meaning a bill of exchange, a promissory note or a cheque; and a certificate of deposit. Forging any of them carries the heaviest forgery penalty, imprisonment from one to ten years and a fine from 20,000 to 200,000 baht. A forged document outside those five falls under Section 265 or Section 264 instead.
La falsification d'un testament est-elle un crime grave en Thaïlande ?
Oui. Un testament est expressément mentionné à l'article 266(2), donc sa falsification est passible d'une peine d'emprisonnement d'un à dix ans et d'une amende pouvant atteindre 200 000 bahts, bien supérieure à celle infligée pour une falsification de document ordinaire.
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Citation simple
Penal Code, s. 266 (Thailand) -
Citation académique
Penal Code (Thailand), s. 266. ThaiLawOnline, https://www.thailawonline.com/fr/thai-penal-code/section-266/ (accessed 30 août 2026). -
Citation thaïlandaise
ป.อ. มาตรา 266 -
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<blockquote cite="https://www.thailawonline.com/fr/thai-penal-code/section-266/"><p>Whoever forges any of the following documents: (1) a document of title that is an official document; (2) a will; (3) a share certificate, a debenture certificate, or a warrant for a share certificate or a debenture certificate; (4) a bill, that is, a bill…</p><footer>Penal Code, s. 266 (Thailand): <a href="https://www.thailawonline.com/fr/thai-penal-code/section-266/">ThaiLawOnline</a></footer></blockquote>
The Thai text is authoritative. The English is an unofficial translation by ThaiLawOnline, free to reuse with attribution.