Règle correspondante
Greece
Practice Relating to Rule 65. Perfidy
Section G. Simulation of protected status by using the United Nations emblem or uniform
The Hellenic Territorial Army’s Internal Service Code (1984), as amended, provides: “It is forbidden for members of the armed forces: … To use perfidiously … emblems of international organizations.” 
Greece, Hellenic Territorial Army Regulation of Internal Service Code, Presidential Decree 130/1984 (Military Regulation 20-1), as amended, Article 15(h).
The Hellenic Navy’s International Law Manual (1995) provides that “the misuse of emblems or uniforms of an international organization” constitutes perfidy. 
Greece, International Law Manual, Hellenic Navy General Staff, Directorate A2, Division IV, 1995, Chapter 5, § 4.