Mich. Comp. Laws § 339.403

Sec. 403. (1) This act does not prohibit a person who has a contract with the department or any other person providing direct services from collecting fees directly from an applicant, registrant, or licensee. (2) If the department terminates a contract with a person who has been administering a licensing or registration examination to applicants for licensure or registration in a specific profession, and the department itself begins to administer the examination, the department shall not charge an applicant a fee greater than the fee charged under the terminated contract unless the examination fee for that profession is increased under the state license fee act, Act No. 152 of the Public Acts of 1979, being sections 338.2201 to 338.2277 of the Michigan Compiled Laws.