Mich. Comp. Laws § 32.1136

Sec. 136. (1) The following officers of the state military forces shall have the power to administer oaths for the purposes of military administration, including military justice, and affidavits may be taken for those purposes before the officers: (a) Each judge advocate of the Michigan national guard and state troops. (b) Each summary court-martial officer. (c) Each adjutant, assistant adjutant, acting adjutant, and personnel adjutant, including each warrant officer acting in that capacity. (d) Each staff judge advocate and legal officer and acting or assistant judge advocate and legal officer. (2) The following officers shall have the power to administer oaths necessary in the performance of their duties and affidavits may be taken for those purposes before the officers: (a) The president, trial counsel, and assistant trial counsel for all general and special courts-martial. (b) The president and counsel for a court of inquiry. (c) Each officer designated to take depositions. (d) Each officer detailed to conduct investigations. (3) An officer on the retired list shall not be authorized to administer oaths as provided in this section unless the officer is on actual state duty or on active duty in or with the state military forces under orders of the governor. (4) The signature without seal of a person described in this section, together with the title of office, shall be prima facie evidence of the officer's authority.