Related Rule
Argentina
Practice Relating to Rule 58. Improper Use of the White Flag of Truce
Argentina’s Law of War Manual (1969) provides that the improper use of the flag of parlementaires is a breach of good faith. It states, however, that the use said to be “improper” applies only in combat operations. 
Argentina, Leyes de Guerra, RC-46-1, Público, II Edición 1969, Ejército Argentino, Edición original aprobado por el Comandante en Jefe del Ejército, 9 May 1967, § 1.017.
Argentina’s Law of War Manual (1989) states: “It is prohibited … to deliberately abuse … internationally recognized protective emblems, signs or signals, including the flag of parlementaires.” 
Argentina, Leyes de Guerra, PC-08-01, Público, Edición 1989, Estado Mayor Conjunto de las Fuerzas Armadas, aprobado por Resolución No. 489/89 del Ministerio de Defensa, 23 April 1990, § 1.06(1).