Mich. Comp. Laws § 400.52
The governing board of each county, city and district department shall adopt rules and regulations governing the policies of the board, which rules and regulations shall not be in violation of any express provision of state law. Said rules and regulations shall be reviewed by such governing board at least once in each year. Copies of such rules and regulations shall be forthwith filed with the state department. The state department is hereby authorized to provide for the audit of the case records of the several county, city and district departments with respect to general public relief as defined in section 18, and is further authorized to withhold the distribution of state funds, otherwise required by section 18, in respect to cases for which the relief granted is deemed to be in violation of state law or the rules and regulations of the state department or of the respective boards and filed with the state department. The respective boards shall comply with and be governed by the rules and regulations of the state department only as to those forms of relief which are wholly or in part financed by federal funds.
MCL 400.52