Ariz. Rev. Stat. § 48-851
A. A noncontiguous county island fire district is formed by the following procedures:
2. Within sixty days after receiving a map from the county assessor, the person shall submit a revised map that indicates those county island areas that are proposed to be included in the noncontiguous county island fire district and shall submit a district impact statement that shall contain at least the following:
6. Within fifteen days after receiving the approval of the board of supervisors as prescribed by paragraph 5 of this subsection, the clerk of the board shall:
8. The petitions presented pursuant to paragraph 7 of this subsection shall comply with the provisions regarding verification in section 48-266 and shall:
E. Notwithstanding subsections A, B, C and D of this section, an alternate form of a noncontiguous county island fire district may be established if a fire district organized pursuant to section 48-261 that is surrounded by incorporated areas in a county and that contracts for fire protection services from an adjacent municipality receives approval from the county board of supervisors to re-form as a noncontiguous county island fire district that operates pursuant to this article as follows:
F. For the purposes of this article, "noncontiguous county island fire district" means a district that is formed pursuant to this section and for which either:
1. All of the following apply: