Welcome to the Montana Department of Revenue Forms Repository

Please use the search box below to filter the results on this page. If you are not able to find the form you need, please contact us for more assistance.

File Online

E-filing is the fastest, most secure way to file your return. Whether you file using an approved software vendor or through our TransAction Portal (TAP), your return will be processed faster and more efficiently by filing online.

Alphabetical List of Forms by Form Name

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Alcoholic Beverage Licenses

Income Tax Deductions, Exemptions, and Credits

Please Note: 15 income tax credits have been retired after Tax Year 2021. Learn More.