Principles of international co-operation in the detection, arrest, extradition and punishment of persons guilty of war crimes and crimes against humanity (Adopted by General Assembly resolution 3074 (XXVIII) of 3 December 1973).

Convention on the Non-Applicability of Statutory Limitations to War Crimes and Crimes against Humanity (Adopted and opened for signature, ratification and accession by General Assembly resolution 2391 (XXIII) of 26 November 1968 entry into force 11 November 1970, in accordance with article VIII).

Convention on the Prevention and Punishment of the Crime of Genocide (Approved and proposed for signature and ratification or accession by General Assembly resolution 260 A (III) of 9 December 1948. Entered into force on 12 January 1951, in accordance with article XIII).