The following officers of the national guard shall have power to administer oaths for the purposes of military administration, including military justice, and affidavits may be taken for such purposes before such officers:
(1) All company, battery, squadron and similar unit commanders;
(2) All adjutants, assistant adjutants, and personnel officers;
(3) All staff judge advocates and legal officers and acting or assisting staff judge advocates and legal officers;
(4) All officers detailed to conduct an investigation, or to take a statement or deposition; and
(5) All commissioned officers are authorized to administer oaths for enlistment and appointment.