Montana: 1099 State Filing Requirements
5.0k views | Last modified 1/24/2023 5:18:48 AM EST | Added by TaxBandits Team

Applicable To
94X 1099 W-2 ACA W-4

The Montana Department of Revenue mandates the filing of the 1099 Forms only if there is a state tax withholding. TaxBandits supports the filing of Form 1099 with both the Federal and State of Montana.

What to be filed

Form 1099 - (1099-NEC, 1099-MISC, 1099-INT, 1099-DIV, 1099-B, 1099-R, 1099-G, 1099-K, & 1099- PATR).
Form MW-3 - Montana Annual 1099 Withholding Tax Reconciliation.

Due Date

The due date to file Form 1099s and Form MW-3 with Montana:

  • Form 1099s - January 31
  • Form MW-3 - January 31


Montana charges a penalty of $50 minimum or 5% of the outstanding tax per month for filing after the due date.

Mailing Address

Montana Department of Revenue,
PO Box 5835,
Helena, MT 59604-5835.

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