2053 Woodbridge Ave. Edison, NJ 08817

Ken is a NJ trial attorney who has published 130 articles in national and New Jersey publications on litigation topics. He has been selected to write the new ABA book: DUI and Drug Possession Defense".

Monday, March 16, 2026

Clients charged with 39:4-50 should obtain interlock on primary vehicle and obtain an interlock license

   Clients charged with 39:4-50 should obtain interlock on primary vehicle and obtain an interlock license

   How obtain an ignition interlock license (IIL) in New Jersey from MVC

You must install an approved 

Ignition Interlock Device (IID), obtain SR-22 insurance, and submit proof of installation to the Motor Vehicle Commission (MVC). The process involves paying a $100 fee, maintaining the device with monthly, 30-day calibrations, and adhering to all court requirements. 

Intoxalock Ignition Interlock

Steps to Obtain an Interlock License

  • Install an Approved Device: Contact a state-certified vendor to schedule the installation of a Breath Alcohol Ignition Interlock Device (BAIID).
  • Obtain Insurance: Secure an SR-22 certificate (high-risk insurance).
  • Provide Documentation: Submit the installation certificate, lease contract, and invoice to the MVC.
  • Pay Fees: Pay the $100 fee to the MVC.
  • Maintain Service: The device must be serviced every 30 days to avoid violations. 

Key Requirements

  • Validity: The license is only valid for vehicles equipped with the IID.
  • Eligibility: You must have had a valid NJ driver's license at the time of the arrest.
  • Duration: Installation typically lasts 3 to 15 months, depending on the conviction. 

Source: https://www.intoxalock.com/state-requirements/new-jersey#:~:text=How%20Do%20I%20Get%20a,IID%20notation%20of%20their%20license.