29A.21  Powers and duties.
  In addition to the powers and duties prescribed in this chapter all officers of the national guard shall have the same powers and perform like military duties as officers of similar rank and position in the armed forces of the United States insofar as may be authorized by law. Officers are authorized to administer oaths in all matters connected with the service.
[C35, §467-f16; C39, §467.16; C46, 50, §29.16; C54, 58, 62, §29.21; C66, 71, 73, 75, 77, 79, 81, §29A.21]