Соответствующая норма
Practice Related to Rule 95. Forced Labour
Thailand’s Constitution (2007) states:
Forced labour shall not be imposed except by virtue of the law specifically enacted for the purpose of averting imminent public calamity or by virtue of the law which provides for its imposition during the time when the country is in a state of war or armed conflict, or when a state of emergency or martial law is declared. 
Thailand, Constitution, 2007, Section 38.
Thailand’s Prisoners of War Act (1955) provides for the punishment of “whoever coerces a prisoner of war into active service with his enemy’s forces”. 
Thailand, Prisoners of War Act, 1955, Section 15.