Federal laws

ADEA Rules and Numbers for Employers

ADEA requirements, key numbers, time limits, severance waiver rules and remedies in tables and a chart, for employers with 20 or more employees.

Last reviewed October 29, 2026 · General information, not legal advice

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This page sets out what the Age Discrimination in Employment Act (ADEA) asks of employers, with numbers as of October 2026. For the overview, see the ADEA guide.

What the law requires

RequirementWhat it means in plain wordsSection
No age discriminationNo bias against someone 40 or older in hiring, firing, pay, promotion, layoff, training or benefits.29 U.S.C. 623(a)
No age-preference adsAds and notices cannot signal an age preference or limit.623(e)
No age harassmentAge remarks that are frequent or severe, or lead to a firing or demotion, are unlawful. Simple teasing and isolated incidents that are not very serious are not.EEOC guidance
Neutral rulesA neutral policy that hurts workers 40 or older is unlawful unless it rests on a reasonable factor other than age.623(f); EEOC guidance
No retaliationNo punishing someone who opposes age bias or joins a charge or suit.623(d)
Valid waiversA release outside a filed charge or suit has to be knowing and voluntary, in plain terms, with extra value in return, no waiver of future claims, written advice to consult a lawyer, 21 days to consider (45 for group programs) and 7 days to revoke.626(f)

Key numbers and dates

ItemAmount or dateYear in forceSource label
Minimum protected age402026 (statute)29 U.S.C. 631(a)
Employee threshold20, in each of 20 weeks2026 (statute)29 U.S.C. 630(b)
Charge deadline180 days; 300 days only where a state age law and agency exist, as in Illinois2026EEOC
Wait before suing60 days after the charge is filed2026 (statute)29 U.S.C. 626(d)
Suit window90 days after EEOC notice that the case ended2026 (statute)29 U.S.C. 626(e)
Waiver review time21 days (group program: 45); 7 days to revoke2026 (statute)29 U.S.C. 626(f)
Executive pension floor$44,000 a year2026 (statute)29 U.S.C. 631(c)
RecordsPayroll 3 years; hiring and discharge files 1 year; plan documents for the plan's life plus 1 year2026 (regulation)29 CFR 1627.3
ADEA time periods in days, 2026 days under the statute and EEOC rules
Revoke a signed release7 days
Consider a release (individual)21 days
Consider a release (group program)45 days
Wait before suing60 days
Suit window after EEOC notice90 days
EEOC charge, general180 days
EEOC charge, Illinois300 days

Source: 29 U.S.C. 626; EEOC

Recent and pending changes

  • 2023 to October 2026: in the sources we read we found no amendment to the ADEA's text and no new ADEA-specific EEOC rule. Check eeoc.gov for later news.
  • Records rule: 29 CFR 1627.3 was last amended in 1991 (eCFR current to October 23, 2026).

Penalties and enforcement

StepWho actsWhat happens
ChargeWorker and EEOCThe worker files within the deadline. The EEOC may investigate or settle the case.
LawsuitWorkerA suit may start 60 days after filing and within 90 days after the EEOC's closing notice. Jury trials are available.
RemediesCourtBack pay, hiring or reinstatement and court orders. An equal added amount, called liquidated damages, applies only to willful violations. No pain-and-suffering or punitive damages.
PosterEEOCSection 627 requires the notice. The $698 poster fine in the EEOC rule names other laws, not the ADEA.

Award payments are covered in our W-2 and W-3 guide. Continue to the checklist and FAQs, compare the ADA, or see our payroll services.

Official sources

This page is a plain-language summary. The official source controls if there is any difference.