Mich. Comp. Laws § 339.1209

Sec. 1209. The department shall issue a license as a manicurist to an individual who fulfills all of the following: (a) Is at least 17 years of age. (b) Is of good moral character. (c) Has had an education equivalent to the completion of the ninth grade. (d) Has completed not less than 400 hours of training or, for an individual who begins training on or after July 1, 2024, not less than 600 hours of training, either in a licensed school of cosmetology or as an apprentice for not less than 6 months in a licensed cosmetology establishment where manicuring is practiced. The training must include a minimum number of practical applications as prescribed in rules promulgated by the director. (e) Has passed an examination prescribed by the department in consultation with the board.