References to the commission on children and youth, the office of child development, the children’s services commission, and the juvenile justice commission appearing elsewhere in Tennessee Code Annotated are deemed to be references to the commission on children and youth. All contracts and leases entered into by the children’s services commission and by the juvenile justice commission shall continue in full force and effect as to all essential provisions in accordance with the terms and conditions of the contract in existence on July 1, 1988, unless and until such contracts or leases expire or are duly amended or modified by the parties thereto. All rules, orders, and decisions promulgated or issued by the children’s services commission or the juvenile justice commission prior to, and in effect on July 1, 1988, shall remain in force and effect and shall be administered and enforced by the commission on children and youth until duly amended, repealed, expired, modified or superseded.