Ariz. Rev. Stat. § 16-905
C. An entity shall register as a political action committee if both of the following apply:
D. A filing officer or enforcement officer shall make a rebuttable presumption that an entity is organized for the primary purpose of influencing the result of an election if the entity meets any of the following:
E. Except as prescribed in subsections B and C of this section and section 16-938, a filing officer, enforcement officer or other officer of a city, town, county or other political subdivision of this state may not require an entity that claims tax exempt status under section 501(a) of the internal revenue code and that remains in good standing with the internal revenue service to do any of the following: