Convention (IV) respecting the Laws and Customs of War on Land and its annex: Regulations concerning the Laws and Customs of War on Land. The Hague, 18 October 1907.
ANNEX TO THE CONVENTION : Regulations respecting the laws and customs of war on land #Section I : On belligerents #Chapter I : The qualifications of belligerents
Art. 3. The armed forces of the belligerent parties may consist of combatants and non-combatants. In the case of capture by the enemy, both have a right to be treated as prisoners of war.