comparison
Section 508 vs ADA
Section 508 (Section 508 of the Rehabilitation Act, United States — federal government and federal contractors, 1998 (2017 Refresh)) and ADA (Americans with Disabilities Act, United States, 1990) are two of the most-referenced accessibility frameworks in digital compliance. This guide compares them side by side — jurisdiction, scope, conformance approach, penalties, and how a single audit can cover both simultaneously.
What is Section 508?
Section 508 of the Rehabilitation Act requires US federal agencies, federal contractors, and recipients of federal funds to make their information and communications technology (ICT) accessible to people with disabilities, with conformance benchmarked against WCAG 2.0 Level AA via the 2017 Refresh.
Maintainer
US Access Board
Jurisdiction and enforcement
United States — federal government and federal contractors. GSA, agencies, US Court of Federal Claims.
What is ADA?
The Americans with Disabilities Act (ADA) is a 1990 US federal civil rights law prohibiting discrimination against people with disabilities in employment, public services, transportation, and 'public accommodations' — a category that US courts and the DOJ have repeatedly interpreted to include websites and mobile apps.
Maintainer
United States Department of Justice (DOJ)
Jurisdiction and enforcement
United States. DOJ civil-rights division; private right of action under Title III.
Section 508 vs ADA — the key differences
The principal difference is jurisdictional: Section 508 applies in United States — federal government and federal contractors, while ADA applies in United States. Section 508 is maintained by US Access Board; ADA is maintained by United States Department of Justice (DOJ). The standards differ on scope, conformance grading, and penalty structure — but a well-designed accessibility programme can satisfy both simultaneously by adopting the strictest applicable requirement and cross-mapping findings.
Scope
Section 508 covers: Federal-agency websites and applications, Federal-contractor ICT, ICT procured with federal funds. ADA covers: Employment (Title I), State/local government (Title II), Public accommodations and commercial facilities (Title III), Telecommunications (Title IV).
Penalties
Section 508: Procurement disqualification. ADA: Title III: civil penalties up to $75,000 (first violation) and $150,000 (subsequent); plaintiff attorney fees awarded.
How to comply with both at once
Adopt the stricter applicable conformance level — typically WCAG 2.2 Level AA — as your engineering baseline. Audit against that baseline once, then cross-map findings to both Section 508 and ADA specific requirements. A single Accessibility Conformance Report (ACR) using VPAT 2.5 INT can document both.
When you might need just one
If you operate exclusively in United States — federal government and federal contractors and have no cross-border procurement exposure, you may only need Section 508. The same applies in reverse for ADA. For organisations selling cross-border, into the EU or US public sector, the safer default is to plan to both simultaneously.
Sources
- Section508.gov — GSA
- Section 508 Standards (ICT Refresh) — US Access Board
- ADA.gov — US Department of Justice
- Final Rule: Web and Mobile App Accessibility (Title II) — US DOJ
- ADA Title III Lawsuit Tracker — Seyfarth Shaw
FAQ
Frequently asked questions
Cited answers. Sourced. Updated as standards and case law change.
Is Section 508 stricter than ADA?
Neither standard is uniformly "stricter" — they cover different regulatory domains. Section 508 is more prescriptive about federal-agency websites and applications; ADA about employment (title i). For organisations exposed to both, a unified WCAG 2.2 AA baseline typically satisfies the technical requirements of both.
Can a single audit satisfy Section 508 and ADA?
Yes. Both standards ultimately reference WCAG-aligned criteria. A combined audit with cross-mapped findings can produce documentation acceptable to both regulators.
Which jurisdictions enforce Section 508?
United States — federal government and federal contractors. GSA, agencies, US Court of Federal Claims.
Which jurisdictions enforce ADA?
United States. DOJ civil-rights division; private right of action under Title III.
What happens if I am not compliant with Section 508?
Procurement disqualification Contract termination or modification Bid protests at GAO and US Court of Federal Claims Reputational and downstream civil-rights exposure under Sections 501 and 504
What happens if I am not compliant with ADA?
Title III: civil penalties up to $75,000 (first violation) and $150,000 (subsequent); plaintiff attorney fees awarded Settlement averages: $3,000–$25,000 for demand letters; $20,000–$100,000+ for litigated cases Title II (governments): injunctive relief, compensatory damages, attorney fees
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