Соответствующая норма
Practice Relating to Rule 65. Perfidy
Section F. Simulation of protected status by using the distinctive emblems of the Geneva Conventions
The Hellenic Navy’s International Law Manual (1995) provides that “the perfidious use of the emblems of the Red Cross or Red Crescent” constitutes perfidy. 
Greece, International Law Manual, Hellenic Navy General Staff, Directorate A2, Division IV, 1995, Chapter 5, § 4.