29 March 2017 Montana changes W-2 filing deadline to January 31 Recently enacted HB63 accelerates the deadline for filing Forms W-2 with the Montana Department of Revenue from the current February 28 to January 31, matching the federal deadline. The legislation is effective for tax years beginning after December 31, 2016, making the accelerated deadline effective for calendar year 2017, with Forms W-2 due January 31, 2018. Form MW-3, Annual Reconciliation, will also be due on January 31, 2018. The legislation also changes the deadline for filing/paying annual withholding returns for those employers whose total income tax withholding liability is less than $1,200 from February 28 to January 31. For more information on Montana withholding tax, go to the Department's website.
Document ID: 2017-0557 | |||||||||||
