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Depositing and Reporting Withheld Taxes: Montana

Depositing and Reporting Withheld Taxes requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Authors: Jason Ritchie, Holland & Hart LLP


  • The income tax deposit thresholds and due dates are based on each employer's lookback period. Certain employers must deposit according to the schedule for federal tax deposits. See Deposit Thresholds and Schedules; Deposit and Filing Due Dates.
  • All employers, including those that deposit electronically, must complete the appropriate forms. See Forms.
  • Penalties are imposed for failure to comply with the income tax depositing and filing requirements. See Penalties.
  • Electronic depositing of withheld taxes is optional in Montana. See Electronic Deposit Requirements.
  • Employers are required to annually file a Form W-2, Wage and Tax Statement, with the state Department of Revenue (DOR) for each employee. See Form W-2 Filing Requirements.
  • Every employer must file Form MW-3, Montana Annual Wage Withholding Tax Reconciliation, along with originals of employees' Forms W-2 with the DOR. See Annual Reconciliation Forms and Filing Deadlines.
  • Every employer must keep accurate payroll records for five years. See Recordkeeping Requirements.