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Is there a tax return that must be filed to keep my IFTA license in good standing?

Yes. You must file Form MFUT-15, IFTA Quarterly Return, to report your carrier operations (travel and fuel use). Returns are due by the last day of the month immediately following the close of the quarter. Quarterly filing periods are:

  • January 1 – March 31 (return due April 30)
  • April 1 – June 30 (return due July 31)
  • July 1 – September 30 (return due October 31)
  • October 1 – December 31 (return due January 31)

When submitting IFTA quarterly returns electronically through your MyTax Illinois account, you will need your fleet's total miles traveled in both IFTA and non-IFTA jurisdictions, the breakdown of the total number of miles driven in each jurisdiction, and the total gallons of fuel purchased in each jurisdiction. Note that once you are issued a license and decals, you must file a return, regardless of whether your vehicle(s) left the state or operated at all during the quarter. 

For more information, see MFUT-53, Illinois International Fuel Tax Agreement (IFTA) Carrier Compliance Manual.

You may access additional information by searching the entire Illinois Department of Revenue website.

If you have additional inquiries, you may submit them on the Questions, Comments, or Requests form.