Michigan Compiled Laws, Chapter 339. Occupational Code § 339.5717

Sec. 717.  (1) An individual who is employed as an apprentice electrician shall register with the board on a form provided by the board within 30 days after employment.

(2) The department shall issue a certificate of registration to an individual who is seeking registration under this section if it receives satisfactory proof of the individual's participation in an apprenticeship training program that is approved by the board under subsection (4).

(3) The ratio of electrical journeymen or master electricians to registered apprentice electricians shall be on the basis of 1 electrical journeyman or master electrician to no more than 3 registered apprentice electricians.  The department or an enforcing agency shall enforce the ratio on a jobsite basis.

(4) For the purposes of this section, the board shall approve any bona fide apprenticeship training program that complies with subsection (3) and, excluding any requirements related to jobsite ratios that are inconsistent with subsection (3), is equivalent to or exceeds the requirements of those imposed by the Office of Apprenticeship in the United States Department of Labor.