Mich. Comp. Laws § 339.1305

Sec. 1305. (1) An individual wishing to sell or fit a hearing aid in connection with the sale of a hearing aid as a dealer shall make application to the department. An individual employed by a dealer as a hearing aid salesperson shall make application to the department. (2) An applicant for a license as a hearing aid dealer shall be issued a license if the applicant is over 18 years of age, is of good moral character, is a graduate of an accredited high school or secondary school, has served as a licensed hearing aid salesperson for a period of 2 years under the direction and supervision of a licensed hearing aid dealer, and passes a written examination as prescribed by the department and the board. (3) An applicant for a license as a hearing aid salesperson shall be issued a license if the applicant is at least 18 years of age, is of good moral character, is a graduate from an accredited high school or secondary school, successfully completes additional training and education as may be required by the department, passes a written examination as prescribed by the department and the board, and has served at least 6 months as a trainee licensed by the department. (4) The department and the board shall encourage the establishment of a specialized educational course of training for an individual wishing to become a licensed hearing aid dealer or hearing aid salesperson. (5) In place of the written examination provided in subsection (2), the department may accept successful completion of the basic home study course conducted by the national hearing aid society or may waive the examination provided for in subsection (2) when proof satisfactory to the department and the board is submitted showing that the applicant has successfully passed an examination given by the official hearing aid examining board in another state, if the examination and passing requirements at the time taken, were substantially equal to those required by the department.