You may use this form to file a Montana income tax return for an estate or trust.
Montana Income Tax Return for Estates and Trusts (Form FID-3)
| Download Form FID-3 by Year |
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| 2025 Montana Income Tax Return for Estates and Trusts (Form FID-3) - PDF |
| 2024 Montana Income Tax Return for Estates and Trusts (Form FID-3) - PDF |
| 2023 Montana Income Tax Return for Estates and Trusts (Form FID-3) - PDF |
| 2022 Montana Income Tax Return for Estates and Trusts (Form FID-3) - PDF |
| 2021 Montana Income Tax Return for Estates and Trusts (Form FID-3) - PDF |