Related Rule
Russian Federation
Practice Relating to Rule 65. Perfidy
Section A. General
The Russian Federation’s Military Manual (1990) considers that perfidy is a prohibited method of warfare. 
Russian Federation, Instructions on the Application of the Rules of International Humanitarian Law by the Armed Forces of the USSR, Appendix to Order of the USSR Defence Minister No. 75, 1990, § 5(e).
The Russian Federation’s Regulations on the Application of IHL (2001) states: “The prohibited methods of warfare include … resorting to perfidy.” 
Russian Federation, Regulations on the Application of International Humanitarian Law by the Armed Forces of the Russian Federation, Ministry of Defence of the Russian Federation, Moscow, 8 August 2001, § 7.