Montana W-2 Reporting Requirements

Reconciliation/Transmittal Form

Along with your W-2 state filing, Montana mandates the filing of the Annual Reconciliation Form MW-3 to be submitted. You will be able to submit both forms to the state through ExpressTaxFilings.

Due Dates

Filing TypeDue Date
Electronic FilingFebruary 28


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

What is the User Responsible for?

Nothing, if you are filing electronically with ExpressTaxFilings!

E-filing & Paper Filing

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

State Filing Agency

Success Starts with ExpressTaxFilings

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