transfer, deprived of contacts with the outside world, because such deprivation may negatively affect the mental health of such person. 2.23. Isolation of Persons Deprived of Liberty 2.23.1. The legislation needs to clearly prescribe the circumstances justifying isolated holding of persons deprived of liberty, the maximum duration thereof, and the obligations of the PI administration to address the circumstances that led to such isolation. 2.23.2. For persons deprived of liberty, which are held in isolation, the necessary human contacts and the regular and coordinated organization of social-psychological activities, outdoor exercise, and access to other meaningful programs of education, sports, and occupation shall be secured. 2.23.3. Moreover, it is necessary to preclude the practice of isolated holding of persons deprived of liberty without a reasoned decision of the PI warden. 2.24. Temporary Isolation for 24 Hours 2.24.1. Legislative safeguards need to be prescribed, so that a decision on isolating a person deprived of liberty is taken only by an official who has such authority. 2.24.2. The holding conditions for the period of isolating persons deprived of liberty shall be prescribed, including in particular a rule whereby a temporarily isolated person may not be held in the conditions of a disciplinary cell. 2.24.3. A rule should be prescribed, whereby the time spent in isolation in the conditions of a disciplinary cell shall be counted as time spent in a disciplinary cell when the 49