Mich. Comp. Laws § 32.671

Sec. 271. Officers and enlisted personnel of the defense force shall be appointed in the same manner, and with like duties, responsibilities and authority as prescribed by law and regulations governing the national guard, or as may be prescribed in special regulations promulgated for the national guard or the defense force. Orders evidencing the appointment, promotion or severance from the service of officers and enlisted men of the military establishment shall be issued through and recorded in the office of the adjutant general.