ANNEX TO THE CONVENTION : Regulations respecting the laws and customs of war on land #Section IV : On the internment of belligerents and the care of the wounded in neutral countries - Art. 58.
Art. 58. Failing a special convention, the neutral State shall supply the interned with the food, clothing, and relief required by humanity.
At the conclusion of peace, the expenses caused by the internment shall be made good.