signature

... Each Party to a conflict is required to furnish the persons under its jurisdiction who are liable to become prisoners of war, with an identity card showing the owner's surname, first names, rank, army, regimental, personal or serial number or equivalent information, and date of birth. The identity card may, furthermore, bear the signature or the fingerprints, or both, of the owner, and may bear, as well, any other information the Party to the conflict may wish to add concerning persons belonging to its armed forces. As far as possible the card shall measure 6.5 x 10 cm. and shall be issued in duplicate. The identity card shall be shown by the prisoner of war upon demand, but may in no case be taken away from him. ...

... In all cases they shall facilitate the preparation and execution of such documents on behalf of prisoners of war; in particular, they shall allow them to consult a lawyer and shall take what measures are necessary for the authentication of their signatures. ...

... All written communications made by the Bureau shall be authenticated by a signature or a seal. ...

... The present Convention, which bears the date of this day, is open to signature until February 12, 1950, in the name of the Powers represented at the Conference which opened at Geneva on April 21, 1949; furthermore, by Powers not represented at that Conference, but which are parties to the Convention of July 27, 1929. ...