Mich. Comp. Laws § 339.727

Sec. 727. After obtaining a certificate as a certified public accountant under section 725 or 726, an individual seeking to use a title authorized by this article shall do 1 of the following: (a) If the individual only seeks to use a title authorized by this article, the individual shall apply for registration under this article. (b) If the individual seeks to use a title authorized by this article and to engage in the practice of public accounting, the individual shall apply for licensure under this article. A nonresident member of a firm who has authority for the firm's practice of public accounting in this state is considered to be engaged in the practice of public accountancy in this state.