According to the National Highway Traffic Safety Administration, in 2016, almost 29 people in the United States die in alcohol-impaired vehicle crashes every day. These types of crashes are from those driving under the influence of alcohol or more commonly known as DUI. As Arizona DUI attorneys we are asked on a daily basis regarding the Arizona interlock laws.

What are the laws in Arizona for Interlock devices

The International Council on Alcohol, Drugs and Traffic Safety maintains that interlocks, when combined with a comprehensive monitoring and service program, lead to a 40-95 percent reduction in the rate of repeat drunk driving offenses, as long as the device remains on the vehicle. NHTSA strongly supports the expansion of ignition interlocks as a proven technology that keeps drunk drivers from getting behind the wheel.

An ignition interlock is a breath-analyzing device that is wired to the vehicle’s ignition and installed on the vehicle dashboard. Before the vehicle can be started, the driver first must exhale into the device. If the interlock detects alcohol on the breath, the engine will not start.

When Arizona law mandates the use of an interlock following a period of driver license suspension/revocation, you must have one installed by an MVD-authorized company and provide proof of the installation.

MVD uses special forms and procedures to monitor drivers required to have the device installed. Your record will be marked so that law-enforcement officers will be aware of the interlock requirement if you are stopped. You may be issued a replacement driver license containing the words “Ignition Interlock” if this is not your first offense.

Interlock Installation and Monitoring

An MVD-authorized company must install the interlock. Check the website or call the toll-free number for any company listed below for the availability of service in your area and associated costs.

Once installed in your vehicle, the interlock device must be calibrated and inspected by a certified installer every 77-90 days. If the device detects any tampering, circumvention, or malfunction, you may be called back into the service center prior to your 77-90 day appointment.

Drivers who do not comply with interlock requirements are reported to MVD and may have the period of time for use extended. In some cases, their driving privilege may be canceled, suspended or revoked.

Special Restricted Driver License (SIIRDL)

In cases involving driver license suspension/revocation resulting from a DUI-related violation date on or after Feb. 1, 2006, you may be eligible for a special restricted driver license if you have

  • Contacted MVD to verify eligibility (or received a notice of eligibility from MVD).
  • No other outstanding withdrawal actions pending on your driving record.
  • Installed an ignition interlock on your vehicle and provided MVD proof with a “Verification of Installation” form.
  • Complied with mandatory alcohol treatment programs (if required) and submitted proof of completion to MVD.
  • Submitted proof of future financial responsibility to MVD (e.g., certificate of automobile liability insurance known as an SR22).
  • Paid all applicable fees.

Please Note: A SIIRDL is not a requirement and is not credited toward any other Ignition Interlock Order that may be present on the driver record.

A violation during your SIIRDL time may result in a cancelation of your restricted interlock license.

Your SIIRDL will expire the same date as the suspension/revocation that the SIIRDL is attached to. When your SIIRDL expires, it is against the law for you to continue to drive until you have complied with all state requirements. In order to comply, you must

  • reinstate your driving privileges.
  • pay all applicable fees.

You may also be required to

  • complete a Revocation Application.
  • continue your SR22.
  • continue to maintain a Certified Ignition Interlock Device.

Driving Restrictions

The license is valid only during the period of suspension or revocation and allows vehicle operation between a

  • place of employment during specified periods of time while at employment.
  • place of employment and the person’s school according to the person’s employment or education schedule.
  • place of employment or school and the office of a health professional as defined in A.R.S. § 32-3201.
  • place of employment or school and a screening, education or treatment facility for scheduled appointments.
  • place of employment or school and the office of the person’s probation officer for scheduled appointments.
  • place of employment or school and a certified ignition interlock device service facility.
  • the location designated for the purpose of parenting time as defined in A.R.S. § 25-401 (Effective 12/31/2018) or to transport a dependent who is living with
  • you, between your residence and the dependent person’s employment, school or medical appointment (Effective 12/31/2018).

If you have questions about the Arizona laws regarding an interlock device please contact one of your DUI Law Firm offices below.

The Hogle Law Firm
1013 S. Stapley Dr
Mesa, AZ 85204
(480) 999-5334

The Hogle Law Firm
333 N Dobson Rd #5
Chandler, AZ 85224
(480) 900-2100

The Hogle Law Firm
4365 E Pecos Rd
Gilbert, AZ 85295
(480) 442-3085

The Hogle Law Firm
21321 E Ocotillo Rd #125
Queen Creek, AZ 85142
(480) 500-6664

The Hogle Law Firm
1 E Washington St #500
Phoenix, AZ 85004
(480) 757-7788

The Hogle Law Firm
14050 N 83rd Ave Suite 290
Peoria, AZ 85381
(602) 726-9955

The Hogle Law Firm
15331 W Bell Rd #212
Surprise, AZ 85374

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