Home Business Taxes Motor Fuel Tax Motor Fuel Tax This section contains all of the information, resources and tools business taxpayers will need relating to Motor Fuel Tax. Follow the links below and at the bottom of this page for details. Important Announcements The Maryland IFTA system, known as Maryland Motor Carrier Connect, uses the latest encryption and security technologies to provide for full electronic filing of returns and payments through common web browsers to the State of Maryland. Anyone with Internet access and proper authorization will be able to file an IFTA return electronically through our IFTA system. The Comptroller of Maryland will not automatically renew Licenses and Decals. Instead, Carriers will have the option to renew online or by paper renewal forms. For more information on the renewal process see Important Information for IFTA Licensees under International Fuel Tax Agreement (IFTA) below. Tax Information Filing and Refund Information Online Services Payment Information Online Services × IFTA Registration IFTA e-File IFTA Decal Request Motor Fuel Exemption Certificate Inquiry Motor Fuel License Inquiry Payment Information × If a tax payment is due with the motor-fuel tax return, a check or money order or cashiers check may accompany the return. Or payment may be made by ACH for accounts that normally pay $10,000 or over each month. If submitting payment electronically, please pay on or before the due date. For the ACH option the electronic funds transfer form needs to be filled out. Returns and applications for licenses and permits, along with payment, can be mailed to: Comptroller of Maryland Revenue Administration Division P.O. Box 2999 Annapolis, MD 21404-2999 Transportation Investment Act FAQs