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Utahworking inMontana
Standard — file nonresident return if onsite
Montana
Work State Tax Rate
Up to 5.9% (2025), 5.65% (2026)
Withholding Starts
After 30 days
Law Last Updated
Jan 1, 2026
Employee Obligations (Which Returns YOU Must File)
If you physically work in Montana, file a nonresident Montana return (tax rate: Up to 5.9% (2025), 5.65% (2026)). Then file your Utah return and claim the TC-40S credit so you don't get taxed twice on the same income.
Employer Obligations (What Your Employer Must Withhold & Remit)
Register for withholding and unemployment. Unemployment applies to the first $43,000 of wages.
Related guides
More from Utah · Cross-State Work
See all cross-state workpairs →Moving to Montana from elsewhere · Cross-State Work
Employee/Individual Tax Source: https://mtrevenue.gov/taxes/individual-income-tax/individual-filing-status/
Employer/Withholding Source: https://mtrevenue.gov/taxes/wage-withholding/withholding-payments/
Row last reviewed: Apr 17, 2026Home state credit form: TC-40S
This is general information, not tax or legal advice. Laws change frequently. Always consult a licensed CPA or tax attorney for your specific situation. All information researched as of March 21, 2026.