The following officers and persons are empowered to administer oaths and to take affirmations in any matter pertaining to the business of their respective office, position, or appointment:
1. Governor, secretary of state, secretary of agriculture, auditor of state, treasurer of state, and attorney general.
2. Members of all boards, commissions, or bodies created by law.
3. All county officers other than those named in section 63A.1.
4. Mayors and clerks of cities, precinct election officials, township clerks, assessors, and surveyors.
5. All duly appointed referees or appraisers.
6. All investigators for supplementary assistance as provided for under chapter 249.
7. The director and employees of the department of revenue, as authorized by the director, and as set forth in chapters 421 and 422.
89 Acts, ch 296, §13
C93, §63A.2
Members of general assembly, §2.8
Veterinary assistants, §163.5
Law enforcement agencies, §805.6