Illinois is one of the stronger states for departing employees on final-paycheck rules. The Illinois Wage Payment and Collection Act (IWPCA) treats accrued unused vacation as earned wages that cannot be forfeited at termination, regardless of what the employer's policy says.
That rule alone makes Illinois materially different from Texas, Florida, and most southern states — where employer policy controls vacation payout.
The rule, in plain terms
- Timing: Final compensation must be paid in full at the time of separation, but no later than the next regularly scheduled payday for the pay period in which the separation occurred.
- Vacation/PTO — earned wages: Under IWPCA § 5, accrued unused vacation is a wage owed at termination, payable at the final rate of pay. A "use-it-or-lose-it" policy can validly cap accrual, but cannot retroactively forfeit vacation already earned.
- Commissions: Earned commissions must be paid by the next regular payday after they become due. Plans with "still employed" clauses are scrutinized but may be enforceable if clearly written.
- Method: Check, direct deposit (if previously authorized), or payroll debit card. No conditions on returning property as a precondition for payment.
- Deductions: IWPCA limits deductions to those required by law, those the employee has authorized in writing, or those for the benefit of the employee. Damaged-property or unreturned-equipment deductions are generally not allowed without specific written authorization.
Scripts to use
To request final pay including vacation:
"Under the Illinois Wage Payment and Collection Act, my final wages — including accrued unused vacation at my final rate — are due no later than the next regularly scheduled payday. My current vacation balance is [N] hours. Please confirm the amount and payment date."
When the employer claims vacation is forfeited on separation:
"Illinois law treats accrued vacation as earned wages. Under IWPCA, a policy of forfeiture at termination is not enforceable as to already-earned vacation. Please include my full accrued balance of [N] hours in my final paycheck."
When the employer threatens deduction for unreturned property:
"Under IWPCA § 9, deductions from wages require written authorization at the time the deduction is made. I have not given such authorization. Please issue my final paycheck in full. We can address property return separately."
What to document
- Last day of employment and the next regular payday
- Your accrued vacation/PTO balance and the rate at which you earned it
- Your commission plan, including any "earned" definition
- Pay stubs showing the running vacation accrual through your last day
- All written communications about the amount and timing of your final pay
When to escalate
If the employer is late or short:
- File a wage claim with the Illinois Department of Labor. Online filing, no filing fee, no attorney required.
- IDOL investigates, holds a hearing if necessary, and can order payment plus statutory penalties.
- Larger or more complex claims may be filed directly in court. IWPCA allows recovery of attorney's fees, interest, and a statutory damages multiplier on underpaid wages. The multiplier has varied over time — historically 2% per month and later amended (5% per month under post-2021 amendments to 820 ILCS 115/14) — so confirm the current rate with the IDOL or counsel before relying on a specific figure.
- Consult an employment attorney for systemic issues (multi-employee underpayment, commission disputes over six figures, retaliation tied to wage complaints).
Chicago workers should also check the Chicago Paid Sick Leave Ordinance and any local wage-payment ordinances; these can add additional payout requirements beyond state law.
Educational content only — not legal advice. Employment law varies by jurisdiction and situation. Consult a qualified employment attorney for advice specific to your circumstances.