Standard Minimum Rules for the Treatment of Prisoners, Adopted 30 August 1955 by the First United Nations Congress on the Prevention of Crime and the Treatment of Offenders, and approved by the Economic and Social Council by its resolution 663 C (XXIV) of 31 July 1957 and 2076 (LXII) of 13 May 1977. (U.N. Doc. A/CONF/611, annex 1, E.S.C. Res. 663C, 24 U.N. ESCOR Supp. No. 1, at 11, U.N. Doc. E/3048 (1957), amended by E.S.C. Res. 2076, 62 U.N. ESCOR Supp. No. 1 at 35, U.N. Doc. E/5988 (1977))