The state board, in consultation with the bureau, shall establish smog index numbers for classes or categories of vehicles that may be modified by the use of an emissions retrofit device.
(Added by Stats. 1994, Ch. 1192, Sec. 31. Effective January 1, 1995. Operative on date prescribed by Sec. 32 of Ch. 1192. Inoperative five years after operative date. Repealed on January 1 after inoperative date, pursuant to Section 44257.)