Ariz. Rev. Stat. § 28-3319
C. If a person whose license or driving privilege is suspended or revoked pursuant to section 28-1321, 28-1381, 28-1382, 28-1383 or 28-1385 is ordered, pursuant to section 28-1381, 28-1382, 28-1383 or 28-1385, to attend alcohol or other drug screening, education or treatment, the department shall not either:
D. Except as provided in subsection E of this section, on receipt of a report of conviction from a court for a violation that involved intoxicating liquor or that specifically requires the installation of a certified ignition interlock device, the department shall require any motor vehicle the convicted person operates to be equipped with a functioning certified ignition interlock device and the convicted person to meet the requirements prescribed in section 28-1461 as follows:
1. For twelve months if:
3. For twenty-four months if:
H. The department shall defer the remainder of the time period prescribed in subsection D, paragraph 1, subdivision (a) of this section commencing with the later of six months from the date the interlock was installed or the completion of the requirements of this subsection if all of the following apply: