Occupations: vehicles, dealers, and repair facilities; owner of a motor vehicle repair facility to operate an additional facility under the same registration; allow. Amends secs. 2, 9, 10b, 13b, 14, 15, 16, 17, 18, 22, 30, 32, 32a, 33 & 40 of 1974 PA 300 (MCL 257.1302 et seq.) & adds sec. 30a.