Payroll & Taxes

What payroll deductions are employers required to withhold?

Montana Operational Guidance

Published May 10, 2026 State-specific operational guidance Update This Question
Operational Review Team

This operational guidance was reviewed by the 70 / 30 Business Operations Intelligence Team, specializing in business operations, payroll compliance, workforce automation, licensing, and multi-state operational requirements.

Montana Payroll Tax Withholding Requirements for Employers

Employers operating in Montana must withhold specific payroll taxes from employee wages to comply with state and federal regulations. Understanding these requirements is essential for accurate payroll processing and maintaining compliance.

Mandatory Payroll Deductions in Montana

  • Federal Income Tax: Employers must withhold federal income tax based on IRS tax tables and employee W-4 forms.
  • Social Security and Medicare Taxes (FICA): Employers are required to withhold 6.2% for Social Security and 1.45% for Medicare from employee wages, matching these amounts as the employer portion.
  • Montana State Income Tax: Montana requires withholding of state income tax. Employers should use Montana withholding tax tables or formulas based on employee withholding certificates.
  • Unemployment Insurance Tax: While unemployment insurance taxes are paid by employers, there is no employee withholding for this tax in Montana.

Additional Operational Considerations

  • Employee Withholding Certificates: Collect and maintain federal Form W-4 and Montana state withholding forms to determine accurate withholding amounts.
  • Recordkeeping: Maintain detailed payroll records including amounts withheld, tax deposits made, and employee information for compliance and reporting.
  • Timely Deposits and Reporting: Deposit withheld taxes according to IRS and Montana Department of Revenue schedules. File required payroll tax reports on time to avoid penalties.
  • Automation: Consider payroll software or services that integrate federal and Montana state tax withholding calculations to reduce errors and streamline compliance.

As of 2026, these withholding requirements remain standard, but employers should monitor updates from the IRS and Montana Department of Revenue to stay current with any changes in tax rates or filing procedures.

Operational References

Operational guidance may vary by state, industry, licensing requirements, workforce regulations, and tax law updates. Businesses should verify compliance, payroll, licensing, and tax requirements directly with official agencies and qualified advisors.

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