Mich. Comp. Laws § 141.1409

Sec. 9. (1) An authority may employ staff, including legal and technical experts, and other officers, or employees, permanent or temporary, paid from the funds of the authority. (2) The accounts of an authority are subject to annual audits by the state auditor general or a certified public accountant selected by the authority. Copies of the audits shall be forwarded annually to the state treasurer as provided in the uniform budgeting and accounting act, 1968 PA 2, MCL 141.421 to 141.440a. Records shall be maintained according to generally accepted accounting principles. (3) The authority shall prepare and adopt an annual budget.