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2018 Estate and Trust Returns Filing on Extension Due
Montana Income Tax Returns for Estates and Trusts (Forms FID-3) on extension are due October 15, 2019 for calendar year filers.
You may file your estate or trust’s income tax return:
You may pay your estate or trust’s income tax:
- In TransActionPortal (TAP)
- With approved software
- By making an ACH Credit Payment
- Along with your return, or
- Using the Montana Estate or Trust Tax Payment Voucher (Form FID)
Learn more about Estate and Trust Returns and Taxes.