Reviewed by ThaiLawOnline, a licensed Thai law firm practising in Thailand since 2006. Thai lawyer of record: Wichuda Atthamethakon, LL.M., Thai Bar Licence 3149/2556.
Last updated on August 6, 2026
Written authorisation by a principal (ผู้มอบอำนาจ) empowering an agent (ผู้รับมอบอำนาจ) to act on their behalf, governed by Sections 797–832 of the Thai Civil and Commercial Code. Thailand recognises general, special and revocable powers. Where the power is used for immovable property transactions, the Land Department requires its own prescribed form (ทด.21) signed before an amphur officer or consular officer.
See also our full guide: property guide for foreigners in Thailand.
Thai Law Updates, free by email
Plain-English updates on Thai law changes that affect foreigners: property, visas, marriage, business and wills. One short email a month from a firm practicing since 2006. No spam, unsubscribe anytime.