Montana Form W-2 &
MW-3 Filing Requirements

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Montana State Filing


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Montana State Filing Requirements

  • The Form W-2, Wage and Tax Statement should be filed with the State of Montana for the 2020 Tax Year.
  • The State of Montana also mandates the filing of Form MW-3, Montana Annual W-2 1099 Withholding Tax Reconciliation,
    for 2020.
January 31, 2021

Montana Form W-2 filing
deadline -
January 31,

January 31, 2021

Montana Form MW-3 filing deadline -
January 31, 2021

TaxBandits is here to help you with the Federal and State filing of Form W-2. Get started today!

Q. Does Montana mandate W-2 filing?

A. Yes, the Montana Department of Revenue requires the filing of the W2 Forms even if there is no state
tax withholding.

Q. Does Montana require any additional forms to be submitted while filing W-2?

A. Yes, the state of Montana requires you to submit Form MW-3 (Montana Annual W-2 Withholding Tax Reconciliation) with your W-2 regardless of the
filing method.

To e-file your W-2, check out TaxBandits. We support the filing of W-2 with the SSA and state of Montana. We provide e-filing solutions for both small and large businesses. Create a FREE account with TaxBandits and e-file your W-2s in just a few easy steps.

Note: After e-filing W-2s with us, make sure that you submit your Form MW-3 with the state before
the deadline.

Q. What is the deadline to file W-2 with Montana?

A. The filing deadline for Form W2 and Form MW-3 with Montana is January 31.

Note: If the deadline falls on a weekend or federal holiday, the next business day is the deadline.

Q. Can I electronically file W-2 with Montana?

A. Yes, Montana provides an option to e-file W-2. Employers filing more than 250 W-2s are required to
file electronically.

Q. What are the requirements to file W2 electronically with Montana?

A. If you’re looking for an e-file service provider, check out TaxBandits. We support the filing of W-2 with the SSA and state of Montana. Create a FREE account with the TaxBandits and complete your W-2.

Q. What are the W-2 penalties for Montana?

A. The state of Montana imposes penalties for the following:

  • Late filing of W-2s
  • Late payment of withheld taxes
  • Underpayment
  • Not filing W-2 on time
    • Failure to file W-2 on time will result in penalties. The penalty would be:
    • Minimum of $50, or
    • 5% of your unpaid taxes per month
    • Maximum of 25% of your
      unpaid taxes.
  • Late payment of withheld taxes
    • If you have not paid your taxes on time, you may be charged the following penalties:
    • 0.5% per month, up to 12% of the unpaid taxes, or
    • 1.5% per month, up to 15% of the unpaid taxes
  • Underpayment
    • For underpayment, the penalty is 20% of the unpaid taxes.

Q. Can I file W-2c with the State of Montana?

A. Yes, you can file correction form W-2c if you identify errors on the previously filed W-2s. Montana accepts both the paper filing and e-filing of W-2c. When submitting W-2c, you must attach an amended MW-3.

Q. Where do I mail W-2 forms when filing with the State
of Montana?

A. You should only mail W-2 copies to the state if you plan to file less than 250 forms. If you file more than 250 forms, you must e-file them.

Want to e-file your W-2s? TaxBandits can help you with this! We are an IRS-certified e-file provider supporting the e-filing of Form W-2 with the Federal and Montana. Create a FREE account with the TaxBandits and complete
your W-2.

If you still want to paper file W-2, complete W-2 & MW-3 and mail them to the following address.

Get started with TaxBandits today and stay compliant with the State of Montana! Start Filing Now

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