Ariz. Rev. Stat. § 22-203
If the justice of the peace of the precinct in which the case is filed is absent or for any reason is unable to act, the case may be heard in any precinct within the same county that is designated by the justice of the peace or in the absence of the justice of the peace in any precinct designated by the presiding justice of the peace. If there is not a presiding justice of the peace or if the presiding justice of the peace is absent or unable to act, the case may be heard in any precinct that is within the same county and that is designated by the presiding judge of the superior court. If a change of venue occurs pursuant to this section, a precinct with close geographic proximity to the precinct of origin shall be given preference.
A.R.S. § 22-203