individual claims to be deprived of his liberty in violation of the Covenant. The State must take measures to ban the torture or other cruel, inhuman or degrading treatment or punishment on the persons who are particularly vulnerable because of their status as persons deprived of liberty. It should also take initiatives to guarantee respect for the dignity of such persons under the same conditions as for that of free persons. Concrete measures should be taken by the competent authorities of the government to monitor the effective application of the rules regarding the treatment of persons deprived of their liberty. The government must also take action to develop a system for supervising penitentiary establishments, to prevent torture and cruel, inhuman or degrading treatment, and ensure impartial supervision. The government should take measures to ensure the application of the following United Nations standards relevant to the treatment of prisoners: the Standard Minimum Rules for the Treatment of Prisoners (1957), the 120 See also, Human Rights Committee, CCPR General Comment No. 10 on Freedom of Expression (Art. 19), Nineteenth-session, June 29, 1983. 121 See also, Human Rights Committee, CCPR General Comment No. 22 on the Right to Freedom of Thought, Conscience and Religion (Art. 18), Forty-eighth session, July 30, 1993. CCPR/C/21/Rev.1/Add.4 (1993). 96