58 into account. The norms of Correctional Code RoK in pre-trial detention centers regulate the procedure and conditions of detention of prisoners sentenced to custody transferred there from the colonies during the trial process of criminal cases due to newly discovered circumstances, criminal cases of other persons in which they can act as other members in the process. Further, the Standards of the Correctional Code RoK in pre-trial detention centers apply to prisoners sentenced to prison or left to work on maintenance services, as well as prisoners who arrive from institutions in accordance with Article 88 of the Correctional Code RoK. Article 89 of Correctional Code RoK clasiffies pretrial detention facilities as mixed security institutions. According to the Law of the Republic of Kazakhstan dated April 18, 177 No.58-VI, in pretrial detention centers such form of punishment as arrest is executed. According to Part 4, Article 88 of the Correctional CONSOLIDATED REPORT Code RoK, the transfer of a convicted person to a mixed security institution is allowed by decision of the authorized body of the penitentiary system in the following cases: 1) ensuring the safety of the convict in accordance with Part 5 of Article 12 of the Correctional Code RoK; 2) reorganization or liquidation of the institution; 3) industrial necessity with the consent of the convict; 4 necessity to enforce law and order in the institution. The procedure and conditions for the execution of the arrest, along with Correctional Code RoK, are regulated by the Rules of organization of activities and internal regulations of special institutions that carry out the execution of punishment in the form of arrest according to the annex to this order (the Order of the Minister of Internal Affairs of the Republic of Kazakhstan dated July 26, 2017 No.504). The main regulatory act governing the procedure