Online Services

Filing Online Saves You Time and Montana Money

We offer a variety of electronic options to meet your needs.

You can use these options to file and pay on your own or to work with your favorite tax preparer or payroll company.

Approved Software Vendors

We only test software to ensure we can accept forms filed by the software. We are not associated with vendors and cannot guarantee any aspect of the software.

Learn more about software approval from the IRS.

TransAction Portal (TAP) Services and Aids

The TransAction Portal (TAP) is a free service for individuals, businesses, and tax professionals to access and manage accounts with the Montana Department of Revenue and the Gambling Control Division of the Department of Justice.

If you need assistance with one of our online services, please email us at DORCustomerAssistance@mt.gov.