Ariz. Rev. Stat. § 16-222
B. For a vacancy in the office of representative in Congress, if the next general election is not to be held within six months after the date of the occurrence of the vacancy, the governor shall call a special primary election and a special general election to fill the vacancy. The governor shall call the special primary election and establish its date within seventy-two hours after the office is officially declared vacant. Notwithstanding sections 16-313, 16-351 and 16-542, for a candidate for office at an election held pursuant to this subsection, the following apply: