Соответствующая норма
Practice Relating to Rule 100. Fair Trial Guarantees
Section A. General
Thailand’s Prisoners of War Act (1955) punishes whoever deprives a prisoner of war of “an impartial trial or a trial according to the rules set up in the Convention” in both international and non-international armed conflicts. 
Thailand, Prisoners of War Act, 1955, Sections 16 and 18.