Treaties, States Parties and Commentaries
Treaties and Documents
Geneva Conventions of 1949 and Additional Protocols, and their Commentaries
Historical Treaties and Documents
Instructions for the Government of Armies of the United States in the Field (Lieber Code). 24 April 1863.
Section VII : Parole - Art. 131.
Art. 131. If the government does not approve of the parole, the paroled officer must return into captivity, and should the enemy refuse to receive him, he is free of his parole.