Mich. Comp. Laws § 109.4: Fire chief; duties; assistants.

Sec. 4.

The engineer of the fire department shall be the chief of the department, and, subject to the direction of the mayor, shall have the supervision and direction of the department and the care and management of the fire engines, apparatus and property, subject to such rules and regulations as the council may prescribe. And the council may appoint such assistant engineers and other officers of the department as may be necessary.