Except for Article 5, the provisions of this part shall be applicable to claims for state reimbursement of costs mandated by the state on and after January 1, 1985. All claims for state reimbursement filed under Article 1 (commencing with Section 2201), Article 2 (commencing with Section 2227), and Article 3 (commencing with Section 2240) of Chapter 3 of Part 4 of Division 1 of the Revenue and Taxation Code that have not been included in a local government claims bill pursuant to Section 2255 of the Revenue and Taxation Code enacted before January 1, 1985, shall be transferred to and considered by the commission pursuant to the provisions of this part.