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. 15.
Art. 15. Relief societies for prisoners of war, which are regularly constituted in accordance with the law of the country with the object of serving as the intermediary for charity, shall receive from the belligerents for themselves and their duly accredited agents every facility, within the bounds of military requirements and administrative regulations, for the effective accomplishment of their humane task. Delegates of these societies may be admitted to the places of internment for the distribution of relief, as also to the halting places of repatriated prisoners, if furnished with a personal permit by the military authorities, and on giving an engagement in writing to comply with all their regulations for order and police.