3.__Exemptions. This section does not apply to:

A.__An authorized emergency vehicle maintained by a municipality, county or state agency or an ambulance or emergency medical services vehicle as defined in section 2054, subsection 1;

B. Transit route buses engaged in the transportation of passengers and maintained by or contracted to a municipal, county or state agency; or

C.__A vehicle used by the Department of Transportation for the purpose of installing, maintaining or testing a lighted traffic control device.

Sec. 7. 29-A MRSA §2307, sub-§§1, 2 and 3, as enacted by PL 1993, c. 683, Pt. A, §2 and affected by Pt. B, §5, are amended to read:

1. Biannual inspection. Notwithstanding chapter 15, a school bus must be inspected by an official inspection station designated by the Chief of the State Police as a school bus inspection station, biannually during each August and February of the 2 months designated by the State Police in consultation with the Department of Education.

2. Additional inspection. In addition to inspection inspections under subsection 1, between September 1st and November 30th and between March 1st and May 31st a school bus inspection must be conducted by the State Police at least annually within 3 months following one of the inspections required by subsection 1.

3. Other dates. A school bus requiring inspection during a month other than August and February a month designated pursuant to subsection 1 that satisfies the inspection requirements must be issued the school bus inspection sticker that expires the next August or February, whichever is earlier month designated pursuant to subsection 1.

Sec. 8. 29-A MRSA §2411, sub-§1-A, ¶D, as enacted by PL 2003, c. 452, Pt. Q, §78 and affected by Pt. X, §2, is amended to read:

D. Violates paragraph A, B or C and: