Ariz. Rev. Stat. § 43-1161
B. Subject to subsection F of this section, the amount of the credit is equal to:
C. The capital investment and the new qualified employment positions requirements of section 41-1525, subsection B must be accomplished within twelve months after the start of the required capital investment. A credit may not be claimed until both requirements are met. A business that meets the requirements of section 41-1525, subsection B for a location is eligible to claim first year credits for three years beginning with the taxable year in which those requirements are completed. Employees hired at the location before the beginning of the taxable year but during the twelve-month period allowed in this subsection are considered to be new employees for the taxable year in which all of those requirements are completed. The employees that are considered to be new employees for the taxable year under this subsection shall not be included in the average number of full-time employees during the immediately preceding taxable year until the taxable year in which all of the requirements of section 41-1525, subsection B are completed. An employee working at a temporary worksite in this state while the designated location is under construction is considered to be working at the designated location if all of the following occur:
L. For the purposes of subsection B, paragraphs 2 and 3 of this section, if a full-time employee in the qualified employment position leaves during the taxable year, the employee may be replaced with another new full-time employee in the same employment position and the new employee will be treated as being in the employee's second or third full year of continuous employment for the purposes of the credit under this section if: