80 The Health Care Service of Penal - Correctional Institution Sremska Mitrovica, i.e. the doctor, will submit to the Institution Director in writing the findings and recommendations regarding the necessary physical activities of persons deprived of liberty. The Institution Director will immediately undertake the measures proposed by the doctor, and if some of them are not within his competence or he considers them unfeasible or does not agree with them, he will immediately forward them to the Director of Administration for Enforcement of penal Sanctions. The Health Care Service of Penal - Correctional Institution Sremska Mitrovica, i.e. the doctor, will control nutrition in the Institution and submit to the Institution Director in writing the findings and recommendations regarding the quantity and quality of food for persons deprived of liberty. The doctor’s written findings and recommendations regarding the quantity and quality of food will be immediately forwarded to the cook, about which the cook will make a written statement and submit it to the Institution Director without delay. The Institution Director will immediately undertake the measures proposed by the doctor, and if some of them are not within his competence or he considers them unfeasible or does not agree with them, he will immediately forward them to the Director of Administration for Enforcement of penal Sanctions. The Health Care Service of Penal - Correctional Institution Sremska Mitrovica, i.e. the doctor, will control accommodation of non-smokers and other conditions that have an impact on the health of persons deprived of liberty in order to protect them from harmful exposure to tobacco smoke. The doctor will also submit to the Institution Director in writing periodic findings and recommendations regarding the accommodation of non-smokers and other conditions that have an impact on the health of persons deprived of liberty in order to protect them from harmful exposure to tobacco smoke. The Institution Director will immediately undertake the measures proposed by the doctor, and if some of them are not within his competence or he considers them unfeasible or does not agree with them, he will immediately forward them to the Director of Administration for Enforcement of penal Sanctions. District Prison in Negotin130: District Prison in Negotin, persons in police custody shall be placed in the rooms/dormitories separately from the persons in per trial/trial detention and the persons serving a prison sentence. District Prison in Negotin shall construct a shelter in the space for spending time in the open air (walking) within the detention unit of District Prison in Negotin and its dimensions will be such as to allow all persons taken out for a walk to have shelter from precipitation. 130 Report on the visit to the District Prison in Negotin, May 2012, 71-47/12