Section 61-9-420 is not applicable as follows:
(1) if a vehicle is a motor home, school bus, taxicab, farm tractor, bicycle, moped, quadricycle, motorcycle, or motor-driven cycle or is not required to be equipped with safety belts under 49 CFR 571 as it reads on January 3, 2025;
(2) if a vehicle is an ambulance or other emergency vehicle designated or authorized by the department; or
(3) if an emergency exists that threatens the life of a person operating a motor vehicle to whom this section would otherwise apply or the life of a child who would otherwise be required to be properly restrained as provided in 61-9-420.