Hawaii Revised Statutes Division 1. Government § 121-24

(a) All commissioned officers of the army or air national guard shall have the power to administer oaths and affirmations in all matters pertaining to or concerning military service or property, but in no case shall they charge any fee therefor. Any person who falsely swears or affirms to any oath or affirmation so administered may be tried before any circuit court, and, upon conviction, shall be deemed guilty of perjury and sentenced for such offense as prescribed by law.

(b) For purposes of initial entry into the Hawaii national guard, any commissioned officer of the active or reserve components of any of the armed forces of the United States shall have the power to administer appropriate oaths and affirmations.