Montana Income Tax Forms

Montana State Income tax forms for 2023 and previous tax years. Current Montana income taxes can be prepared but ONLY be e-Filed in conjunction with an IRS Income Tax Return, as the IRS and the state of MT share tax data.

• You can however only prepare a MT state return on eFile.com but you would have to mail it to the state from your account; details on how to only prepare and print a Montana tax return.

The Montana tax forms are listed by tax year below and all MT back taxes for previous years would have to be mailed in. You can complete the forms with the help of eFile.com free tax calculators. Complete the respective Montana tax form(s) then download, print, sign, and mail them to the Montana Department of Revenue. In addition to filing Montana tax forms you might also have to file previous IRS tax return forms.

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