The Compensation Board shall apportion among local correctional facilities moneys appropriated in the general appropriation act for the purpose of financial assistance for the confinement of persons in local facilities in accordance with reports of prisoner days provided by the Department. The county or city receiving such funds or a combination of counties or cities or both receiving such funds on behalf of a regional facility shall pay therefrom the operating costs of its local adult correctional facilities and programs. Criminal costs prior to confinement shall be paid out of funds appropriated pursuant to § 19.2-332. Regulations adopted by the Board to implement the provisions of §§ 53.1-84 through 53.1-86 shall not be subject to legislative review as provided in § 2.2-4014. In the adoption of such regulations, the Board shall comply with all other requirements of the Administrative Process Act (§ 2.2-4000 et seq.), and in any subsequent amendments thereto shall comply with all the provisions of § 2.2-4012.