§ 73. Oath of office. Every commissioned officer shall take and
subscribe the oath of office prescribed for officers of the organized
militia by the applicable laws of the United States and regulations
issued pursuant to this chapter. Such oath shall be taken and subscribed
before a commissioned or warrant officer of the organized militia or of
any branch of the armed forces of the United States, or before a notary
public or other officer authorized by the laws of this state to take and
certify the acknowledgment and proof of conveyances of real property to
entitle them to be recorded.