Ariz. Rev. Stat. § 15-1451
B. An optional retirement program established pursuant to this section shall:
C. Eligible employees may elect to participate in an optional retirement plan established by the community college district board. The eligible employee shall make the election in writing and file the election with the Arizona state retirement system and the disbursing officer of the employing institution. The eligible employee shall make the election either:
F. Subject to subsection H of this section, each community college district board that establishes an optional retirement program shall establish program provisions, including: