Montana W-2 Reporting Requirements

Reconciliation/Transmittal Form

Along with your W-2 state filing, Montana mandates the filing of the Annual Withholding Tax Reconciliation Form MW-3 to be submitted.

Due Dates

Filing TypeDue Date
Electronic FilingJanuary 31

Withholding

You must file the form W-2 even if there was no state withholding.

What is the User Responsible for?

Be sure to file the Annual Withholding Tax Reconciliation Form MW-3 directly with the state.

E-filing & Paper Filing

The state of Montana accepts both e-filing and paper filing.

State Filing Agency

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