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Save time and money by using Electronic Data Interchange (EDI) to file your tax information. EDI is a fast and efficient standard for communicating business data electronically.

Four Easy Steps

  1. Download the free software.
  2. Install on your PC.
  3. Enter your data and process the return to create an EDI file.
  4. Register online to submit a test return to receive approval to file production returns.

The Comptroller’s office provides software to quarterly taxpayers for filing IFTA tax returns electronically.

What the Software Does

The program enables you to enter your tax data and create a file in approved EDI format. The software cannot be used to print out returns and mail them to us in lieu of the preprinted form.

Requirements for using version 3.0

  • 166Mhz PC
  • Windows NT, XP, 2000, 2003, Vista and 7
  • 32 MB RAM
  • 20 MB of hard drive space
  • Internet access

Downloading and Installing

Download and read the IFTA Quick Reference Guide for detailed instructions. You will need Adobe Acrobat Reader to view or print the user’s guide.

Download the free software (24.5 MB) to your Desktop or a folder of your choice.

Quit all Windows applications before installing the software.

Once the download is complete, go to the Desktop or open the folder in which you saved the software and double click on the iftafull.exe file to install the software.

Follow the screen prompts until the installation is complete.

Entering Data and Filing Your Tax

The IFTA Quick Reference Guide contains complete instructions.

A test return must be submitted to receive approval to file production returns.

The software includes a help system that works best with Internet Explorer 4.0 or greater. You can download the latest version of Internet Explorer from Microsoft's website.

Transmit your completed EDI file to the Comptroller via the Web.

Keeping Your Tax Rate Files Up-to-Date

IFTA tax rates change periodically as states adopt, reduce or eliminate fuels taxes. These changes become effective quarterly.

To ensure that your balances and billings are computed correctly, download the current tax rates from the Internet.

For More Information

Email us at or
Call us at 1-800-531-5441, ext. 3-3630 or
Fax us at 1-512-475-0397 or
Mail your request to

Account Maintenance Division, Electronic Reporting
P.O. Box 13528
Austin, Texas 78711-3528

Related Electronic Filing Links

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