Part III : Captivity #Section V : Relations between prisoners of war and the authorities #Chapter 3 : Penal sanctions with regard to prisoners of war #I. General provisions - Art. 49.
Art. 49. No prisoner of war may be deprived of his rank by the detaining Power.
Prisoners on whom disciplinary punishment is inflicted shall not be deprived of the privileges attaching to their rank. In particular, officers and persons of equivalent status who suffer penalties entailing deprivation of liberty shall not be placed in the same premises as non-commissioned officers or private soldiers undergoing punishment.