Michigan Compiled Laws, Chapter 500. Insurance Code of 1956 § 500.1401

(i) Negotiates and binds ceding reinsurance contracts on behalf of an insurer or manages all or part of the insurance business of an insurer, including the management of a separate division, department, or underwriting office.

(ii) Acts as an agent for such insurer whether known as a managing general agent or other similar term, who, with or without the authority, either separately or together with affiliates, produces, directly or indirectly, and underwrites an amount of gross direct written premium of not less than 5% of the policyholder surplus as reported in the last annual statement of the insurer in any 1 quarter or year and adjusts or pays claims in excess of an amount determined by the commissioner or negotiates reinsurance on behalf of the insurer.