0442541_CORRPocketBook11Add3.qxp 14.09.2005 13:47 Page 17 Where capital punishment occurs, it shall be carried out so as to inflict the minimum possible suffering.121 Abolition of the death penalty is encouraged.122 E. Life and long-term prisoners The essential aim of the treatment of prisoners shall be their reformation and social rehabilitation.123 Life imprisonment without possibility of release shall not be imposed for offences committed by persons below eighteen years of age.124 The regime of the institution should seek to minimize any differences between prison life and life at liberty which tend to lessen the responsibility of the prisoners or the respect due to their dignity as human beings.125 Treatment shall be such as to encourage long-term prisoners’ self-respect and to develop their sense of responsibility.126 Prisoners shall be allowed under necessary supervision to communicate with their family and reputable friends at regular intervals, both by correspondence and by receiving visits.127 17