Recently, the department sent letters to business owners who have not filed their 2020 Montana Annual W-2 1099 Withholding Tax Reconciliation (Form MW-3). The Form MW-3 was due January 31, 2021. … Have You Received a Withholding Nonfiler Letter?
The following letter was mailed to all active Montana employers on December 4, 2018: We have important news! Your Montana Annual W-2 1099 Withholding Tax Reconciliation Return (MW-3) will no … Updates to Montana Wage Withholding
North Dakota residents currently working in Montana can claim an exemption from Montana withholding under the Montana-North Dakota Reciprocity Agreement. Individuals who have been working in Montana who want to … Deadlines for the Reciprocity Exemption from Withholding (Form MT-R)