Montana State W-2 Reporting Requirements

Does Montana Require State W-2 Reporting?

Yes, Montana does require state W-2 reporting even if there was no state tax withholding.

How Must Montana State W-2 Reporting be Filed?

Montana accepts paper filing and e-filing.

What are the Forms and Due Dates for Montana State W-2 Reporting?

In addition to Form W-2, Montana requires Form MW-3Montana Annual W-2 1099 Withholding Tax Reconciliation to be filed.

Forms W-2 and MW-3 are due by January 31.

What is the Responsible State Filing Agency?

Sam W. Mitchell Building
125 N. Roberts, 3rd Floor
Helena, MT 59601
Phone: (406) 444-6900
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