Mich. Comp. Laws § 330.1146

Sec. 146. A person aggrieved by a decision of the director or bureau of fire services created in section 1b of the fire prevention code, 1941 PA 207, MCL 29.1b, may appeal to the circuit court, requesting an order reversing the decision. The appeal shall be based upon the whole record, and the circuit court shall consider whether the decision is authorized by law and supported by competent evidence.