Ariz. Rev. Stat. § 38-921
A. An active or inactive member of a state retirement system or plan, including the retirement system provided for in article 2 of this chapter, the elected officials' retirement plan provided for in article 3 of this chapter, the public safety personnel retirement system provided for in article 4 of this chapter or the corrections officer retirement plan provided for in article 6 of this chapter, may transfer service credits from one system or plan to the member's current or former system or plan pursuant to section 38-922 if all of the following conditions are met:
B. For the purposes of this section:
2. "Inactive member" means a member of the state retirement system or plan who previously made contributions to the state retirement system or plan and who satisfies each of the following: