(a) The commissioner is authorized to propose rules for legislative authorization pursuant to § 29A-3-1 et seq. of this code or develop policies for the proper execution of his or her duties and powers; adopt rules or policies for the government of the institutions named or referred to in § 15A-3-12 of this code; adopt rules or policies for the administration of the financial and business affairs of the institutions named or referred to in § 15A-3-12 of this code, and establish policies regarding the treatment of mentally ill inmates, which reflect the safety and security concerns specific to jails and correctional facilities.

(b) All legislative rules and policies of the former Division of Corrections, the former Division of Juvenile Services, and the Regional Jail and Correctional Facility Authority shall remain effective until amended or terminated pursuant to the provisions of § 29A-3-1 et seq. of this code by the Division of Correction and Rehabilitation: Provided, That these rules shall expire on July 1, 2021, if not superseded sooner.

(c) Notwithstanding any provisions of law to the contrary, the division is not subject to the rules promulgated by, nor any mandates upon, the board of health for the treatment of mentally ill patients.