The secretary of finance and administration or the director of the financial control division, whenever he may think it necessary to the proper settlement of any account, may examine the parties, witnesses and others on oath or affirmation, touching any matter material to be known in the settlement of such account, and for that purpose he may issue subpoenas and compel witnesses to attend before him and give evidence in the same manner as courts of law may do, and he is hereby authorized to administer all such oaths or affirmations.
NMS § 6-2-1