Employment · Final Paycheck
Final Paycheck Laws in Illinois
When your last paycheck is due after you leave a job in Illinois — the deadline if you were fired, the deadline if you quit, and what happens if the check is late.
Same deadline in Illinois whether you quit or were fired.
Fired vs. quit — when the check is due
The two deadlines side by side. In most states they match; in a few they don’t.
At separation if possible, but in no event later than the next regularly scheduled payday (820 ILCS 115/5).
Same rule for quitting — final compensation is due at separation if possible, and no later than the next regularly scheduled payday.
In Illinois, quitting and being fired share the same deadline — one of the 11 of 15 states where they match. Only California, Texas, Arizona, and Massachusetts set a genuinely different clock for the two.
If your final pay is late
The California waiting-time penalty is one of a kind — every other state uses a different remedy.
Note: this is a damages or civil-penalty remedy, not a California-style per-day waiting-time penalty. Only California’s §203 lets your daily wage keep running as a penalty until you are paid.
The full rule, with the statute
Every deadline and remedy, and how Illinois sets each.
| Situation | Deadline in Illinois | Detail |
|---|---|---|
| If you were fired | Next payday | At separation if possible, but in no event later than the next regularly scheduled payday (820 ILCS 115/5). |
| If you quit | Next payday | Same rule for quitting — final compensation is due at separation if possible, and no later than the next regularly scheduled payday. |
| Notice matters? | No | Giving notice does not change the deadline in this state. |
| Waiting-time penalty | None | No per-day continuing-wage penalty. That remedy exists only in California under §203. |
| Other late-pay remedy | Damages 5% per month | Under 820 ILCS 115/14, an employee can recover damages of 5% of the underpayment for each month it remains unpaid, plus penalties payable to the Illinois Department of Labor. This is a monthly-accruing remedy, not a California-style per-day penalty. |
Deadlines here cover earned wages. Whether unused vacation or PTO must be included in a final check is a separate question that varies by state and by the employer’s written policy.
What Illinois workers get wrong
Illinois asks employers to pay final wages at the time of separation "if possible," but sets a hard backstop everyone can rely on: no later than the next regularly scheduled payday. The rule under the Wage Payment and Collection Act (820 ILCS 115/5) is the same whether you quit or were fired, so there is no shorter discharge clock. If pay is late, §115/14 lets you add damages that accrue monthly on the unpaid amount plus a state penalty — a monthly remedy, not the per-day penalty California uses.
Common questions
When is my final paycheck due in Illinois?
At the time of separation if possible, and in no event later than your next regularly scheduled payday (820 ILCS 115/5). The rule is the same for quitting or being fired.
Does Illinois require final pay on the last day?
It requires payment at separation "if possible," but the enforceable deadline is the next regularly scheduled payday.
What damages apply if my Illinois final pay is late?
Under §115/14, you can recover added damages that accrue monthly on the unpaid wages, plus a penalty payable to the Illinois Department of Labor.
Does Illinois require unused vacation to be paid out?
Yes. Illinois treats earned vacation as wages, so accrued, unused vacation is generally payable on separation; strict "use-it-or-lose-it" forfeiture of already-earned vacation is not permitted.
Not legal advicePlainStatute provides plain-language summaries of public law for general information only. This is not legal advice. Statutes change; always confirm current requirements with the official source linked above before acting.