Delaware interlock 2026

1. Click ‘Get Form’ to open the Delaware Interlock application in the editor.
2. Begin by filling out the 'Applicant Information' section. Enter your name, date of birth, address, DE driver license number, city, state, zip code, and phone numbers for both day and night.
3. Next, move to the 'Vehicle Information' section. You must complete a separate form for each vehicle. Fill in the Vehicle Identification Number (VIN), make, model, year, and vehicle registration number. Attach a copy of the registration card.
4. In the 'Owner's Name' field, provide your name along with any co-owner's details if applicable. Ensure all signatures are included where indicated.
5. Select an IID service provider from the list provided and ensure you understand their fees by contacting them directly.
6. Finally, review all entries for accuracy before submitting your completed application along with valid insurance documentation to the Dover Administration Office.

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