allegiance

... 3. Members of regular armed forces who profess allegiance to a government or an authority not recognized by the Detaining Power. ...

... 1. Persons belonging, or having belonged, to the armed forces of the occupied country, if the occupying Power considers it necessary by reason of such allegiance to intern them, even though it has originally liberated them while hostilities were going on outside the territory it occupies, in particular where such persons have made an unsuccessful attempt to rejoin the armed forces to which they belong and which are engaged in combat, or where they fail to comply with a summons made to them with a view to internment. ...

... When fixing the penalty, the courts or authorities of the Detaining Power shall take into consideration, to the widest extent possible, the fact that the accused, not being a national of the Detaining Power, is not bound to it by any duty of allegiance, and that he is in its power as the result of circumstances independent of his own will. The said courts or authorities shall be at liberty to reduce the penalty provided for the violation of which the prisoner of war is accused, and shall therefore not be bound to apply the minimum penalty prescribed. ...

... The death sentence cannot be pronounced on a prisoner of war unless the attention of the court has, in accordance with Article 87, second paragraph, been particularly called to the fact that since the accused is not a national of the Detaining Power, he is not bound to it by any duty of allegiance, and that he is in its power as the result of circumstances independent of his own will. ...