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Arizona (AZ) - State Requirements for Ignition Interlock Devices

The Arizona Ignition Interlock Program

The Arizona ignition interlock process can be confusing and lengthy, but Intoxalock, a state-approved ignition interlock provider, is here to help. This guide covers what you need to get back on the road, from petitioning for a special ignition interlock restricted driver license (SIIRDL) to getting a certified interlock device installed.

In Arizona, anyone 21 and over who is caught driving with a blood alcohol content (BAC) over .08 percent risks being charged with DUI. First, second, and third-time offenders are given license suspensions of various lengths and are required to install an Arizona state-approved ignition interlock device.

What Happens if I Get a DUI in Arizona?

Arizona DUI laws feature multiple penalties for a DUI in Arizona. They include license suspension and other penalties. Some of them are financial, and others require court-ordered community service. Here are the current penalties for a DUI in Arizona:

First DUI Offense

  • 24 hours to 10 days in jail
  • 90 days to one-year license suspension
  • Fines and assessments of at least $1,250: Fine of $250 and two assessments costing $500 each
  • Ignition interlock device that meets Arizona state criteria is mandatory if the DUI was from alcohol, and IID may be required by court order for other intoxicants
  • Offenders can request a “Special Ignition Interlock Restricted Driver’s License,” or SIIRDL, that allows them to drive while their license is suspended
  • Offender waives right to a hearing contesting their license suspension if a SIIRDL is granted
  • If the offender’s SIIRDL request is granted prior to sentencing, they will receive credit for the time their IID has already been installed and it will count towards sentencing requirements
  • May be ordered to perform community restitution

Second DUI Offense

  • 30-90 days in jail
  • One-year license revocation
  • Fines and assessments of at least $3,000: Fine of $500 and two $1,250 assessments
  • Ignition interlock device Arizona approves required for Restricted License

Third DUI Offense

  • Minimum of four months in jail
  • Fines and assessments of at least $3,750: Fine of at least $750 and two $1,500 assessments
  • Have their license revoked for one year
  • Ignition interlock that meets state criteria is required for Restricted License

In addition to these penalties, Arizona DUI laws state that an offender may need to enroll in additional addiction treatment or educational programs. There is a list of information and approved facilities available through ADOT if you need to attend a course. The court may also mandate a specific course, so check for information from them as well.

The penalties for an “extreme DUI,” which applies to people with alcohol concentrations of 0.15 or higher, are higher.

How Do I Get a Special Ignition Interlock Restricted Driver's License (SIIRDL) in Arizona?

As of January 1, 2023, Arizona allows first-time offenders to request a SIIRDL in lieu of a driving privileges suspension. Second-time offenders are also eligible, as long as their offense was not aggravated DUI. This means that if your license is suspended but you need to drive, you can do so if you install an IID and are granted a SIIRDL. To qualify for a SIIRDL, offenders:

  • If the SIIRDL is granted, the offender waives their right to a hearing contesting their license suspension
  • To obtain the SIIRDL, offender must install an interlock device that meets Arizona state criteria
  • Should meet all other criteria required by law, such as paying all fines, license fees, obtaining necessary and completing any mandates from the court
The SIIRDL is designed to help drivers regain their driving privileges. Other offenders may be eligible for a Restricted License, which limits where they can drive to approved locations like school, work, medical appointments and other necessary spots.

To obtain a Restricted License, offenders should:

  • Contact the Motor Vehicle Division (MVD) online or by phone to confirm eligibility
  • Install a certified Arizona ignition interlock device and provide verification of installation to the MVD
  • Comply with any required mandatory alcohol treatment programs and submit proof of completion to the MVD
  • Submit an SR-22 Certificate of Automobile Liability insurance
  • Pay any applicable fees (no personal checks)