Official Information Act, B.E. 2540 (1997).

This Act is enacted to have the law on official information.
There shall be the Official Information Board consisting of Minister entrusted by the Prime Minister as Chairman, Permanent Secretary for the Office of the Prime Minister, and other qualified persons appointed by the Council of Ministers from the public sector and the private sector as members. The powers and duties of the Board shall include: (1) to supervise and give advice with regard to the performance of duties of State officials and State agencies for the implementation of this Act; (2) to give advice to State officials or State agencies with regard to the implementation of this Act as requested; (3) to give recommendations on the enactment of the Royal Decrees and the issuance of the Ministerial Regulations or the Rules of the Council of Ministers under this Act; etc. A State agency shall at least publish the official information as prescribed in Section 7. A person, whether interested in the matter concerned or not, has the right to inspect or obtain a copy or a certified copy of such information.
The Act further makes provisions, inter alia, for: information not subject to disclosure; personal information; historical information; information disclosure tribunals; penalties; etc.