ANNEX TO THE CONVENTION : Regulations respecting the laws and customs of war on land #Section I : On belligerents #Chapter II : On prisoners of war - Art. 13.
Art. 13. Individuals who follow an army without directly belonging to it, such as newspaper correspondents and reporters, sutlers, contractors, who fall into the enemy's hands, and whom the latter think fit to detain, have a right to be treated as prisoners of war, provided they can produce a certificate from the military authorities of the army they were accompanying.