Illinois IFTA State Tax: An Overview

Do you own a trucking business in the State of Illinois? It’s important you register the vehicles in your fleet for IFTA filing to avoid penalty. Let us guide you further.

It is of utmost importance that you file your Illinois IFTA quarterly return before the due deadlines as late filing may result in a penalty of $50 or 10% of the net tax liability. You can renew an existing IFTA account online. If you want to learn how to apply for IFTA in Illinois by setting up a new account, the next section is for you:

  • Apply for your Illinois IFTA permits online.
  • Pay $3.75 fee for each set of decals.
  • You are going to need one set of decals per qualified vehicle.
  • Credentials are mailed within 24 hours of approval.
  • You can pick the same day decals yourself.

Frequently asked questions

January, February, March: April 30

April, May, June: July 31

July, August, September: October 31

October, November, December: January 31

Yes, you would still need to file a ‘zero’ report in the state of Illinois.

You can find the latest information about IFTA rules and regulations in Illinois on

A tax reporting service or permitting agent may electronically file your Form MFUT-12, Application for Motor Fuel Use Tax IFTA License and Decals, on your behalf but cannot electronically sign the application or pick up your decals.

Your application will be denied if the owners, partners, or corporate officers are not identified on the MFUT-12. There are no exceptions.