If your employer hasn't paid your final wages, this page lays out exactly what Idaho law requires, what it costs your employer to ignore it, and how a properly cited demand letter invokes both. Every deadline, penalty, and citation below was verified against the current statute text or official state guidance.

Idaho's final paycheck deadlines at a glance

If you were fired or laid off Earlier of next regular payday OR 10 days after separation (weekends/holidays excluded)
If you quit Same one rule — and a WRITTEN REQUEST collapses the deadline to 48 HOURS
The penalty for nonpayment Greater of: wages + § 45-607 penalty (daily wages up to 15 days / $750 cap), OR TREBLE the unpaid wages — plus costs and fees

When your final paycheck is due in Idaho

One rule covers every separation — fired, quit, or laid off: wages are due by the earlier of the next regular payday or 10 days after separation, excluding weekends and holidays (§ 45-606(1)). But a written request changes everything: upon receiving one, the employer must pay all wages within 48 HOURS, weekends and holidays excluded.

What late payment costs your employer

A court judgment awards the GREATER of: the unpaid wages plus the § 45-607 penalty (wages continuing at the regular rate, capped at 15 days or $750), OR three times the unpaid wages — plus costs and reasonable attorney's fees in either case (§ 45-615(2)).

Why the demand letter matters in Idaho

THE LETTER IS THE STATUTORY ACCELERATOR — a written request converts a 10-day deadline into a 48-hour one by operation of law. No other state makes the demand letter this mechanically powerful on timing alone.

Vacation and PTO in the final check

Vacation payout: policy or contract controls.

What a strong Idaho demand letter looks like

An effective Idaho letter does the following: open with the § 45-606 written-request acceleration (48 hours from receipt), recite the § 45-615(2) greater-of treble formula with fees, and add § 45-613's anti-retaliation bar on discharge or retaliation for complaining, suing, or testifying about wages. Here's how the opening of a strong one reads:

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Idaho Final Paycheck Demand — Preview
[Your Name] [Your Address] [City, ID ZIP] [Date] [Employer Name] [Employer Address] RE: Demand for Payment of Unpaid Final Wages — Idaho Code §§ 45-606 Dear [Employer Name], This letter is not a request. It is formal notice. I demand payment of my unpaid final wages in the amount of $[AMOUNT], earned through my last day of work on [LAST DAY WORKED]. Under Idaho Code §§ 45-606, my final wages were due as follows: earlier of next regular payday OR 10 days after separation (weekends/holidays excluded). As of today, [NUMBER] days have passed without payment. Be advised of your exposure under Idaho law for continued nonpayment: greater of: wages + § 45-607 penalty (daily wages up to 15 days / $750 cap), OR TREBLE the unpaid wages — plus costs and fees... Accordingly, demand is hereby made for payment of $[AMOUNT], together with all amounts the law allows, within ten (10) days of the date of this letter — no later than [RESPONSE DEADLINE]. If payment is not received by that date, I will pursue every remedy available under law without further notice. I would prefer to resolve this without litigation — but I am fully prepared to proceed. Govern yourself accordingly, [Your Name]

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Primary sources

legislature.idaho.gov/statutesrules/idstat/title45/t45ch6/sect45-606/
legislature.idaho.gov/statutesrules/idstat/title45/t45ch6/sect45-615/

This guide is general information about Idaho law, not legal advice. Statutes are paraphrased; verify current law for your situation. For significant or contested claims, consult a licensed Idaho attorney.