36 The different categories of prisoners shall be kept in separate institutions or parts of institutions, taking account of their sex, age, criminal record, the legal reason for their detention and the necessities of their treatment; thus: (a) Men and women shall so far as possible be detained in separate institutions; in an institution which receives both men and women, the whole of the premises allocated to women shall be entirely separate; (b) Untried prisoners shall be kept separate from convicted prisoners; (c) Persons imprisoned for debt and other civil prisoners shall be kept separate from persons imprisoned by reason of a criminal offence; (d) Young prisoners shall be kept separate from adults2. A decision to allow a child to stay with his or her parent in prison shall be based on the best interests of the child concerned. Where children are 2. The United Nations Standard Minimum Rules for the Treatment of Prisoners, para. 11 CONSOLIDATED REPORT The following requirements shall be followed when accommodating the accused persons or suspects in cells: 1) separate accommodation shall be provided for: Men and women; Minors and adults, unless when persons aged 18 or over may be kept in the same cells as minors, provided that they are of good character, and are charged with the first offence; Persons who are charged with the first offense and repeat offenders; Suspects, accused persons separately from suspects and accused persons, whose sentences are not yet enforceable; Suspects and accused persons who have been charged in the same case or in a number of interrelated cases; Special requirements for accommodation of women in custody: 1. Women-suspects and accused women are allowed to keep a child under 3 years old. 2. Pregnant women or women with children in