person gets transferred to a disciplinary cell as a penalty. 2.24.4. It is necessary to prescribe a prohibition of successive decisions on up-to-24-hour temporary isolation of a person. 2.25. Issues Related to Registering and Deregistering Convicts and Pre-Trial Detainees as Persons Having Negative Inclinations 2.25.1. The procedure of registering and deregistering convicts and pre-trial detainees as persons having negative inclinations by decision of a PI warden should be revised. 2.25.2. The term “negative inclination” should be defined. It is necessary to reconsider whether certain inclinations (self-harm, aggression, conflict) should be classified as negative in light of the individual risk factors of the person. 2.25.3. It is necessary to reconsider whether therapy, its effectiveness, and the treatment progress should be significant considerations when classifying and declassifying convict and pre-trial detainees as having “negative inclinations” such as drug addiction or alcoholism. 2.26. PI Staff and Work Conditions 2.26.1. PIs shall have sufficient staff and take effective measures to fill the vacancies. 2.26.2. A reasonable 1:4 ratio shall be secured between the number of penitentiary officers and the number of persons deprived of liberty. 50