Motor Vehicle Fuels Tax Information
- Who Must Complete a Registration Application and File a Motor Vehicle Fuels Tax Return
- When to File
- Where to File
- Electronic Payment Options
Who Must Complete a Registration Application and File a Motor Vehicle Fuels Tax Return
Any person engaged in the business of importing fuel or causes fuel to be imported, produces, refines, manufactures or compounds fuels, distributes, or stores fuel in the State of Connecticut must register for Motor Vehicle Fuels Tax.
When to File
Taxpayers must file Form O-MF, Motor Vehicle Fuels Tax Return, Form O-MF 1, Tax Paid - Motor Vehicle Fuel Tax Return, or OP-216, Special Fuel Tax Return, for each calendar month by the twenty-fifth day of the following month. If the due date falls on a Saturday, Sunday, or legal holiday, the next business day is the due date. A return must be filed even if no tax is due.
Where to File
Businesses that are required to file the Motor Vehicle Fuels Tax must file online through myconneCT.
Visit the DRS website at portal.ct.gov/DRS/myconneCT/Excise-File-Uploads for instructions on Form MF‑R, Motor Vehicle Fuels Tax Schedule of Receipts, and Form MF‑D, Motor Vehicle Fuels Tax Schedule of Disbursements.
Use myconneCT to file taxes, make payments, view filing history, and communicate with the agency simply and more efficiently on virtually any mobile device, including laptops, tablets, and smartphones, 24 hours a day, 7 days a week.
Click here to File, Pay, or Register Now on myconneCT!
Electronic Payment Options
Motor Vehicle Fuels tax payments (e.g., return payments) must be made electronically. Please see the Filing and Paying Connecticut Taxes Electronically webpage for important information.
Page Last Reviewed or Updated: 06-Jul- 2026