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Montana Final Paycheck Law & Calculator

Add your unpaid Montana wages and accrued PTO to estimate your last-day total after tax.

$

$3,750.00

Gross final paycheck

Est. taxes: ~$1,370.63 (36.6%)

Estimated net take-home

Break down the PTO portion in detail →

Estimates only. PTO payout rights and tax withholding vary by state, employer policy, and individual circumstances. This is not legal, tax, or financial advice. Consult your state labor department or a qualified professional. See our methodology.

Researched & maintained by The PTO Payout Research Team Primary sources verified June 11, 2026 4.9/5 platform rating

Montana Use-It-Or-Lose-It Prohibitions

Under Montana Department of Labor and Industry regulations, accrued vacation and PTO are legally protected forms of earned compensation. Consequently, use-it-or-lose-it policies that result in the forfeiture of already earned paid leave are strictly prohibited in Montana. All accrued, unused vacation hours must be compensated at the employee's final rate of pay upon job separation.

Final pay and PTO in Montana

Under Montana Code Annotated Section 39-3-205, final paycheck deadlines are strictly defined by separation type: if an employee is discharged or laid off, they must receive their final wages within 4 hours or by the end of the next business day. If an employee resigns or quits, final wages are due on the next scheduled payday or within 15 days, whichever occurs first. Failure to pay wages on time is a wage payment violation that can be filed with the Montana Department of Labor and Industry, Employment Relations Division. Late payments can trigger statutory liquidated damages of up to 110% of the unpaid wages under state labor standards.

Your final paycheck combines any regular wages you earned but were not yet paid with your accrued PTO payout where it is owed. Use-it-or-lose-it forfeiture of earned time is not allowed in Montana, and the window to claim unpaid final wages runs for 2–3 years. This calculator pre-selects Montana so the state tax estimate is built in.

For the governing statute (reference: Mont. Code § 39-3-201) and a full PTO breakdown, see the Montana PTO payout guide and final paycheck rules by state.

When is your final paycheck due in Montana?

SituationFinal paycheck deadline
If you are fired or laid offImmediately (employers may extend to the next payday or within 15 days by written policy)
If you quitNext payday or within 15 days, whichever is earlier

This deadline applies to your whole final paycheck, including any accrued PTO Montana requires to be paid. Late or missing final pay can entitle you to penalties or interest \u2014 file an unpaid-wage claim with the Montana Department of Labor and Industry, Wage and Hour Unit. Deadlines change with legislation, so confirm the current rule before acting.

Official Montana Wage Claim Resources

If your employer holds your final paycheck or fails to pay you correct wages, you can contact the official state agency to get help:

Frequently asked questions

When is my final paycheck due in Montana? +

If your employment ends in Montana, your final paycheck — including any owed PTO — is due as follows. If you are fired or laid off: Immediately (employers may extend to the next payday or within 15 days by written policy). If you quit: Next payday or within 15 days, whichever is earlier. Deadlines can change, so confirm the current rule with the state labor department.

Is PTO included in a final paycheck in Montana? +

Montana treats accrued vacation as earned wages, so your unused PTO must be included in your final paycheck. Reference: Mont. Code § 39-3-201.

How is my final paycheck taxed in Montana? +

Regular wages are withheld at your normal rate; the PTO portion is a supplemental wage withheld at a flat 22% federal rate, an estimated 6.9% Montana rate, and 7.65% FICA.

How long do I have to claim unpaid final wages in Montana? +

The statute of limitations for unpaid-wage claims in Montana is 2–3 years. File a claim with the state labor department if your final check is missing or wrong.