Соответствующая норма
Egypt
Practice Relating to Rule 128. Release and Return of Persons Deprived of Their Liberty
Section A. Release and return without delay
According to the Report on the Practice of Egypt, “Egypt always stresses on the search, repatriation and release of POWs [prisoners of war], be they Egyptians or appertaining to the adverse party. This occurred on several occasions.” 
Report on the Practice of Egypt, 1997, Chapter 5.4.