ICRC databases on international humanitarian law
Treaties, States Parties and Commentaries
Treaties and Documents
Geneva Conventions of 1949 and Additional Protocols, and their Commentaries
Historical Treaties and Documents
Convention relative to the Treatment of Prisoners of War. Geneva, 27 July 1929.
Part III : Captivity #Section IV : Relations of prisoners of war with the exterior - Art. 37.
Art. 37. Prisoners of war shall be authorized to receive individually postal parcels containing foodstuffs and other articles intended for consumption or clothing. The parcels shall be delivered to the addressees and a receipt given.