0031-0330 irl.qxd 2.3.2009 14:19 Page 107 PRISONERS OF WAR 107 his absence a qualified layman, if such a course is feasible from a confessional point of view, shall be appointed, at the request of the prisoners concerned, to fill this office. This appointment, subject to the approval of the Detaining Power, shall take place with the agreement of the community of prisoners concerned and, wherever necessary, with the approval of the local religious authorities of the same faith. The person thus appointed shall comply with all regulations established by the Detaining Power in the interests of discipline and military security. ART. 38. — While respecting the individual preferences of every prisoner, the Detaining Power shall encourage the practice of intellectual, educational, and recreational pursuits, sports and games amongst prisoners, and shall take the measures necessary to ensure the exercise thereof by providing them with adequate premises and necessary equipment. Prisoners shall have opportunities for taking physical exercise, including sports and games and for being out of doors. Sufficient open spaces shall be provided for this purpose in all camps. Recreation, study, sports and games CHAPTER VI Discipline ART. 39. — Every prisoner of war camp shall be put under the immediate authority of a responsible commissioned officer belonging to the regular armed forces of the Detaining Power. Such officer shall have in his possession a copy of the present Convention; he shall ensure that its provisions are known to the camp staff and the guard and shall be responsible, under the direction of his government, for its application. Prisoners of war, with the exception of officers, must salute and show to all officers of the Detaining Power the external marks of respect provided for by the regulations applying in their own forces. Officer prisoners of war are bound to salute only officers of a higher rank of the Detaining Power; they must, however, salute the camp commander regardless of his rank. Administration. Saluting ART. 40. — The wearing of badges of rank and nationality, as well as of decorations, shall be permitted. Badges and decorations