Ariz. Rev. Stat. § 38-727
A. The following provisions apply to all employees hired on or after the effective date:
1. All employees and officers of this state and all officers and employees of political subdivisions establishing a retirement plan administered by the board pursuant to this article are subject to this article, except that membership is not mandatory:
5. Notwithstanding other provisions of this section, a temporary employee of the legislature whose projected term of employment is for not more than six months is ineligible for membership in ASRS. If the employment continues beyond six successive months, the employee may elect to either:
9. The following are ineligible for membership in ASRS:
B. The following elected officials are subject to this article if the member's employer is an employer under article 3 of this chapter: