choice

... 2. The persons belonging to one of the categories enumerated in the present Article, who have been received by neutral or non-belligerent Powers on their territory and whom these Powers are required to intern under international law, without prejudice to any more favourable treatment which these Powers may choose to give and with the exception of Articles 8, 10, 15, 30, fifth paragraph, 58- 67, 92, 126 and, where diplomatic relations exist between the Parties to the conflict and the neutral or non-belligerent Power concerned, those Articles concerning the Protecting Power. Where such diplomatic relations exist, the Parties to a conflict on whom these persons depend shall be allowed to perform towards them the functions of a Protecting Power as provided in the present Convention, without prejudice to the functions which these Parties normally exercise in conformity with diplomatic and consular usage and treaties. ...

... The prisoner of war shall be entitled to assistance by one of his prisoner comrades, to defence by a qualified advocate or counsel of his own choice, to the calling of witnesses and, if he deems necessary, to the services of a competent interpreter. He shall be advised of these rights by the Detaining Power in due time before the trial. ...

... Failing a choice by the prisoner of war, the Protecting Power shall find him an advocate or counsel, and shall have at least one week at its disposal for the purpose. The Detaining Power shall deliver to the said Power, on request, a list of persons qualified to present the defence. Failing a choice of an advocate or counsel by the prisoner of war or the Protecting Power, the Detaining Power shall appoint a competent advocate or counsel to conduct the defence. ...

... Failing a choice by the prisoner of war, the Protecting Power shall find him an advocate or counsel, and shall have at least one week at its disposal for the purpose. The Detaining Power shall deliver to the said Power, on request, a list of persons qualified to present the defence. Failing a choice of an advocate or counsel by the prisoner of war or the Protecting Power, the Detaining Power shall appoint a competent advocate or counsel to conduct the defence. ...

... If agreement has not been reached concerning the procedure for the enquiry, the Parties should agree on the choice of an umpire who will decide upon the procedure to be followed. ...