Michigan Compiled Laws, Chapter 450. Corporations § 450.1284

Sec. 284. (1) Except as otherwise provided in subsection (2) or (3), if a professional corporation provides a professional service that is subject to article 15 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838, each shareholder of the professional corporation must be licensed or legally authorized in this state to provide the same professional service.

(2) One or more individuals who are licensed to engage in the practice of chiropractic under part 164, the practice of medicine under part 170, the practice of osteopathic medicine and surgery under part 175, or the practice of podiatric medicine and surgery under part 180 of article 15 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838, may organize a professional corporation under this act with 1 or more other individuals who are licensed to engage in the practice of chiropractic under part 164, the practice of medicine under part 170, the practice of osteopathic medicine and surgery under part 175, or the practice of podiatric medicine and surgery under part 180 of article 15 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838.

(3) Subject to section 17048 of the public health code, 1978 PA 368, MCL 333.17048, 1 or more individuals who are licensed to engage in the practice of chiropractic under part 164, the practice of medicine under part 170, the practice of osteopathic medicine and surgery under part 175, or the practice of podiatric medicine and surgery under part 180 of article 15 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838, may organize a professional corporation under this act with 1 or more physician's assistants licensed under article 15 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838. Beginning July 19, 2010, 1 or more physician's assistants may not organize a professional corporation under this act that will have only physician's assistants as shareholders.Subject to section 17048 of the public health code, 1978 PA 368, MCL 333.17048, 1 or more physician's assistants shall not form a professional corporation with a chiropractic physician unless a physician licensed under part 170 or 175 of article 15 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838, is also a shareholder in the corporation.

(4) A licensed person of another jurisdiction may become an officer, agent, or employee of a professional corporation but shall not provide any professional service in this state until the person is licensed or otherwise legally authorized to provide the professional service in this state.

(5) A professional corporation that is organized under this act may engage in the practice of public accounting, as defined in section 720 of the occupational code, 1980 PA 299, MCL 339.720, in this state if more than 50% of the equity and voting rights of the professional corporation are held directly or beneficially by individuals who are licensed or otherwise authorized to engage in the practice of public accounting under article 7 of the occupational code, 1980 PA 299, MCL 339.720 to 339.736.