Section 150: Acts contrary to public order or good morals are void
Statutory text (Thai original)
การใดมีวัตถุประสงค์เป็นการต้องห้ามชัดแจ้งโดยกฎหมาย เป็นการพ้นวิสัย หรือเป็นการขัดต่อความสงบเรียบร้อยหรือศีลธรรมอันดีของประชาชน การนั้นเป็นโมฆะ
Verbatim from the Royal Gazette / Office of the Council of State
English translation
An act the object of which is expressly prohibited by law, or is impossible, or is contrary to public order or good morals, is void.
This English translation is provided for reference only and has not yet been firm-verified. Always rely on the Thai original.
Firm annotation
Section 150 is the most frequently cited 'nullity' provision in Thai contract litigation. Courts regularly invoke it to strike down: (a) sham land transactions designed to evade the foreigner-ownership prohibition under the Land Code; (b) loan agreements with criminal interest rates; (c) employment terms that contract out of mandatory labour protections; and (d) prenuptial provisions inconsistent with §1465. Once a court declares an act void under §150 the parties are restored to the position they would have occupied had the act never been made, subject to restitution under §391.
Why this matters in practice
For lawyers: void under section 150 is absolute, there is no time limit for raising it, any interested person may raise it, and it cannot be cured by ratification (section 172). Distinguish it from voidable acts, which are valid until set aside. Common triggers: agreements to suppress a public-offence prosecution; nominee land-holding by foreigners; contracts breaching a licence condition. For laypeople: some agreements are simply illegal and have no legal effect at all, courts will not enforce them.
Legislative history
Part of the original Civil & Commercial Code codification; no major subsequent amendment. Thai courts have applied it to agreements to withdraw criminal complaints, nominee land-holding by foreigners, agreements to circumvent statutory transfer bans, and contracts breaching sector-specific regulatory prohibitions.
Décisions de la Cour suprême interprétant cette section
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Arrêt de la Cour suprême n° 8921/2559 (2016) ★ Monument
An agreement to withdraw a prosecution for a non-compoundable public offence is contrary to public order and is void under section 150; it cannot be enforced even if the other party has performed their obligations.
The plaintiff had agreed in a memorandum to withdraw a criminal complaint against a public official in exchange for certain undertakings. The Court held that because the offence was a public offence not subject to private settlement, the part of the agreement requiring withdrawal of the complaint was contrary to public order and good morals and was therefore void under section 150: even if the defendant had fully performed his side of the agreement, the void term could not be enforced against the plaintiff.
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Arrêt de la Cour suprême n° 1179/2561 (2018)
A foreigner's acquisition of land through a Thai nominee is prohibited by Land Code section 86, but the transaction is not simply void and without any effect: the acquirer still takes the consequences fixed by Land Code section 94, namely disposal of the land within the time set by the Director-General of the Land Department, and disposal by the Director-General if that time passes.
The plaintiff, a foreign national, had acquired land with the defendant holding title on his behalf. Whether a case falls within the jurisdiction of the Juvenile and Family Court is for the President of the Supreme Court to decide, and a party must raise it before the taking of evidence; the defendant raised it only at the Dika stage, so the Supreme Court could not refer it and had no power to rule that the nominee acquisition was prohibited under Land Code section 86. The Court added that such an acquisition is not wholly without effect in any event, since the acquirer still takes the consequences of Land Code section 94.
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Arrêt de la Cour suprême n° 5696/2558 (2015)
A transfer that expressly breaches a regulatory prohibition is void under section 150, allowing the administrator to recover the asset directly rather than through the fraudulent-transfer route under section 237.
A transfer of land by an insolvent insurance company to a related party was alleged to violate prohibitions in the Non-Life Insurance Act. The Court accepted the argument that if the transfer contravened an express statutory prohibition it would be void under section 150, enabling the administrator to seek recovery of the property rather than merely a fraudulent-transfer remedy under section 237.
Curated decisions with case numbers verified against the Supreme Court database. English renderings are the firm's editorial translation for study.
Cited in 305 Supreme Court decisions (1993 to 2025)
Décisions de citation sélectionnées
- Décision 4684/2568 (2025)
- Decision 1279/2568 (2025)
- Décision 44/2568 (2025) Le transfert de biens successoraux à soi-même en tant que cohéritier par l'administrateur relève de ses pouvoirs et n'est pas nul en vertu de l'article 150.
- Décision 8188/2568 (2025)
- Decision 7904/2568 (2025)
- Decision 8248-8249/2568 (2025)
- Decision 5661/2567 (2024)
- Decision 1653/2567 (2024)
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
- Art. 142 du Code pénal thaïlandais 34
- Article 113 30
- Art. 247 du Code de procédure pénale thaïlandais 23
- art. 246 du Code pénal thaïlandais 22
- art. 249 du Code pénal thaïlandais 19
- Article 224 17
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
Quelle est la différence entre un acte nul et un acte annulable ?
Un acte nul (article 150) est sans effet juridique dès sa conclusion. Nul ne peut le ratifier et toute partie intéressée peut le contester à tout moment. Un acte annulable est pleinement valable et exécutoire jusqu'à ce que la partie habilitée à l'annuler exerce ce droit dans le délai légal ; à défaut d'annulation, il devient valable de manière permanente.
Guides connexes sur ThaiLawOnline
Citer cette section
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Citation simple
Civil and Commercial Code, s. 150 (Thailand) -
Citation académique
Civil and Commercial Code (Thailand), s. 150. ThaiLawOnline, https://www.thailawonline.com/fr/thai-civil-code/section-150/ (accessed 30 août 2026). -
Citation thaïlandaise
ป.พ.พ. มาตรา 150 -
Lien permanent
https://www.thailawonline.com/fr/thai-civil-code/section-150/ -
Intégrer sur votre site
<blockquote cite="https://www.thailawonline.com/fr/thai-civil-code/section-150/"><p>Un acte dont l'objet est expressément interdit par la loi, ou qui est impossible, ou qui est contraire à l'ordre public ou aux bonnes mœurs, est nul.</p><footer>Civil and Commercial Code, s. 150 (Thailand): <a href="https://www.thailawonline.com/fr/thai-civil-code/section-150/">ThaiLawOnline</a></footer></blockquote>
The Thai text is authoritative. The English is an unofficial translation by ThaiLawOnline, free to reuse with attribution.