The provisions of section 14-275 and subsection (b) of section 14-275a shall not apply to any motor vehicle when used exclusively for the transportation of students under the age of twenty-one who have mobility impairments, provided such motor vehicle has been approved for such purpose by the commissioner.
Conn. Gen. Stat. § 14-275b
(1972, P.A. 286, S. 3; P.A. 78-10; P.A. 83-412, S. 4, 5; P.A. 89-320, S. 4, 12; P.A. 17-202, S. 44.)