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. 16.
Art. 16. The information bureau shall have the privilege of free postage. Letters, money orders, and valuables, as well as postal parcels destined for the prisoners of war or dispatched by them, shall be free of all postal duties both in the countries of origin and destination, as well as in those they pass through.
Gifts and relief in kind for prisoners of war shall be admitted free of all duties of entry and others, as well as of payments for carriage by the Government railways.