(l) prisons; Humiliation and degrading treatment during body searches of persons visiting (m) The fact that medical staff in prisons are not independent but are members of the prison service. E. Recommendations 35. The Committee recommends that the State party take all necessary steps to prevent acts of torture and ill-treatment in the territory of the State of Argentina, and in particular that it: (a) Take vigorous steps to eliminate the impunity of the alleged perpetrators of acts of torture and ill-treatment, carry out prompt, impartial and exhaustive investigations, try and, where appropriate, convict the perpetrators of torture and ill-treatment, impose appropriate sentences on them and properly compensate the victims; (b) Provide training for judicial officials in order to enhance the efficiency of investigations and bring judicial decisions into line with the relevant international standards; (c) Improve the quality of the State’s security forces and agencies and enhance their training in respect of human rights, and specifically in respect of the requirements stemming from the Convention; (d) Guarantee that the obligations arising from the Convention will always be fulfilled in all provincial courts, with the aim of ensuring the uniform application of the Convention throughout the State party. The State party is reminded that the State’s international responsibility is borne by the State at the national level even when violations have occurred at the provincial level; (e) Organize a national register of information from domestic courts on cases of torture and ill-treatment in the State party, a measure stated by the State party to be feasible; (f) Take specific steps to safeguard the physical integrity of the members of all vulnerable groups; (g) As promised by the delegation of the State party in the case of the province of Buenos Aires, guarantee that the holding of minors in police units will be immediately banned, that minors currently in police units will be transferred to special centres, and that a nationwide ban will be imposed on the detention of minors by police personnel on “welfare grounds”; (h) Take effective steps to improve physical conditions in prisons, reduce the existing overcrowding and properly guarantee the fundamental needs of all persons in custody; 14