Individual Income Tax
If you live or work in Montana, you may need to file and pay individual income tax. These resources can help you determine your filing requirements and options.
Where’s My Refund?Individual Return Filing
- Filing Requirements
- Filing Status
- Income Tax Rates, Exemptions, and Deductions
- Tax Credits
- Montana Residency
- Filing Information for Military Personnel and Spouses
- Filing Information for Enrolled Tribal Members
- Amending or Correcting a Return
- Making Estimated Tax Payments
- Update Your Montana Individual Income Tax Account Information
Late Filing and Nonfilers
Individual Income Tax Due Dates
- Returns
- April 15
- Extension
- October 15