Form P-246 at a glance
What it is: Ignition Interlock Device Installation Application P-246 of the State of Connecticut Department of Motor Vehicles, Driver Services Division.
Who signs: Complete Part 1 of this form and sign the Operator Certification. If you are not the owner of record for the vehicle listed, the registered owner signs Part 2, and the installer signs Part 3.
Where to get it: Vendor information and additional forms can be found at ct.gov/dmv.
What to bring and attach to Form P-246
The vehicle listed on this form must have a valid registration. If the vehicle is registered outside Connecticut, you must submit a copy of the registration certificate.
A filled-in Form P-246 example: an owner applies for an installation
How to fill out Form P-246, box by box
Part 1: Operator/Vehicle Information
Enter the applicant's name (Last, First, Middle) as it appears on your operator's license.
Enter your date of birth.
Enter the operator license number and the licensing state.
Enter your home telephone number with the area code.
Enter your mailing address: number and street, city or town, state and zip code.
Enter the vehicle identification number (VIN).
Enter the year, make, reg. plate # and state.
Operator Certification
Under the operator certification, you understand that, following approval by the Department of Motor Vehicles, you must have an Ignition Interlock Device (IID) in each vehicle that you own or operate during the entire time that you are subject to an IID restriction, and that such device must be maintained and calibrated in accordance with DMV regulations.
Sign and enter the date signed.
The statements and information you provide to the Commissioner of Motor Vehicles are subscribed by you under penalty of false statement, in accordance with the provisions of Sections 14-110 and 53a-157b of the Connecticut General Statutes. If you make a statement herein which you do not believe to be true, with the intent to mislead the Commissioner, you will be subject to prosecution.
Part 2: Owner Information/Authorization
If you are not the owner of record for the vehicle listed, the registered owner must complete and sign Part 2.
Under owner information, enter the vehicle owner and the address: city, state and zip code.
The owner swears or affirms under penalty of false statement, in accordance with Connecticut General Statutes §14-110 and §53a-157, that the information in Part 2 and any attachment is true and correct; the owner enters the printed name of owner, signature of owner and date signed.
Part 3: Installer
Contact one of the Connecticut approved vendors to schedule an appointment to install the Ignition Interlock Device (IID). The installer must complete and sign Part 3.
In Part 3, the installer enters the IID serial #, IID type, IID model and IID vendor.
The installer enters the printed business name and address where the IID was installed.
The installer signs, enters the date signed and the printed name of installer (Last, First, Middle).
More rules for Form P-246
Your IID requirement starts from the date of restoration not installation.
Do not operate a motor vehicle until you receive confirmation that you are restored and have a valid license.
Allow 10 business days for processing.
Common questions about Form P-246
Where do I file it?
Submit the completed form to the State of Connecticut Department of Motor Vehicles, Driver Services Division, 60 State Street, Wethersfield, CT 06161-2525.
Are there fees?
Pay the $175.00 restoration fee and the $100.00 IID Administration fee (checked November 10, 2026). You may pay the fees online at ct.gov/dmv or by a check or money order made payable to DMV.
Sources
[1] Form P-246, Ignition Interlock Device Installation Application, State of Connecticut Department of Motor Vehicles (served file) (the Official source link on this page).
