Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.1310b

Sec. 10b. (1) The administrator may issue a certification to perform repair work as a specialty or master mechanic for automobiles and light trucks in 1 or more of the following repair categories:

(2) The administrator may issue a certification to perform repair work as a specialty or master mechanic for heavy-duty trucks in 1 or more of the following repair categories:

(3) An individual who is applying for certification as a specialty automobile or light truck mechanic is eligible for that certification if he or she passes an examination in the repair category that relates to that specialty. An individual who is applying for certification as a master automobile or light truck mechanic is eligible for that certification if he or she passes the examinations in all repair categories listed in subsection (1)(a) to (h).

(4) An individual who is applying for certification as a specialty heavy-duty truck mechanic is eligible for that certification if he or she passes an examination in the repair category that relates to that specialty. An individual who is applying for certification as a master heavy-duty truck mechanic is eligible for that certification if he or she passes the examinations in all repair categories listed in subsection (2)(a) to (f).

(5) An individual who is applying for certification as a master motorcycle mechanic is eligible for that certification if he or she passes an examination pertaining to all mechanical aspects of motorcycle repair.

(6) An individual who is applying for certification as a recreational trailer mechanic is eligible for that certification if he or she passes an examination pertaining to all mechanical aspects of the installation, service, and repair of recreational trailer equipment. As used in this subsection, “recreational trailer equipment” includes recreational trailer brakes, suspension, wheels, or axles; adaptations and alterations made to towing vehicles; and other items of equipment on a recreational trailer required under sections 683 to 711 of the Michigan vehicle code, 1949 PA 300, MCL 257.683 to 257.711.