US Federal Law

Section 508 Compliance: What It Means and Who Has to Meet It

Section 508 compliance for federal vendors and agencies. WCAG 2.0 AA requirements, VPATs, who must comply, and how to stay ahead of the 2017 Revised Standards.

Updated: May 2026Standard: WCAG 2.0 Level AA
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What Section 508 actually is

Section 508 of the Rehabilitation Act of 1973 requires US federal agencies to make their electronic and information technology (ICT) accessible to people with disabilities — both employees and members of the public.

The law was significantly updated in 2017 with the Revised Section 508 Standards, which formally adopted WCAG 2.0 Level AA as the technical benchmark for web and software accessibility. That update brought Section 508 into alignment with international standards and clarified that the requirements apply to all ICT the federal government develops, procures, maintains, or uses.

Key Takeaway
If you sell software, websites, or digital services to the US federal government, Section 508 compliance is a procurement requirement — not optional. A VPAT is your proof.

Who has to comply

Section 508 applies to a broader audience than most vendors expect:

  • Federal agencies — all executive branch agencies and their digital properties
  • Federal contractors and vendors — any company that develops or provides ICT used by a federal agency
  • Grant recipients — organizations receiving federal funding must also meet Section 508 requirements for their federally-funded programs
  • SaaS and cloud providers — if a federal agency subscribes to your platform, Section 508 applies

Private sector companies with no federal relationship are not directly bound by Section 508. However, the ADA and state laws may still apply.

The standard: WCAG 2.0 Level AA

The 2017 Refresh of Section 508 incorporated WCAG 2.0 Level AA by reference. This means the POUR principles — Perceivable, Operable, Understandable, Robust — and all 38 success criteria at Levels A and AA must be met.

WCAG 2.0 is an older version than today's best practice of 2.2, but all versions are backward compatible. If your product meets WCAG 2.1 or 2.2 at Level AA, it exceeds the Section 508 web requirement.

What counts as ICT

The Revised Section 508 Standards cover a wide range of ICT:

  • Websites and web applications
  • Software and desktop applications
  • Mobile apps
  • Documents (PDFs, Word files, spreadsheets)
  • Multimedia content (video, audio)
  • Telecommunications products
  • Hardware (kiosks, printers, copiers)
  • Operating systems

VPATs and federal procurement

A Voluntary Product Accessibility Template (VPAT) is the standard format for documenting how your product meets Section 508 criteria. When completed by a vendor, it becomes an Accessibility Conformance Report (ACR).

Federal agencies require ACRs during the procurement process. A missing or inaccurate VPAT can disqualify a vendor. VPATs should be:

  • Completed honestly — exaggerated conformance claims are a liability
  • Updated whenever the product has a major release
  • Based on actual testing, not assumptions
  • Specific about which criteria are fully, partially, or not supported

The current VPAT template (v2.5) covers Section 508, WCAG 2.1, and EN 301 549, allowing vendors to address multiple standards in one document.

Section 508 vs the ADA

AttributeSection 508ADA Title III
Who it coversFederal agencies and vendorsPrivate businesses (places of public accommodation)
Technical standardWCAG 2.0 Level AAWCAG 2.1/2.2 AA (court-set)
EnforcementAdministrative complaints, contract disputesPrivate lawsuits, DOJ investigations
Primary consequenceLosing federal contractsSettlements and litigation costs

How to become compliant

  • 1. Audit all ICT — Map every product and digital asset your agency or company uses or provides.
  • 2. Run automated testing — Catch the most common WCAG 2.0 AA failures quickly across web properties.
  • 3. Conduct manual and AT testing — Automated tools catch roughly 30–40% of issues. Screen reader and keyboard testing is essential.
  • 4. Remediate and document — Fix issues systematically and track progress.
  • 5. Produce accurate VPATs — Complete an ACR for each product. Be specific and honest about partial conformance.
  • 6. Maintain a release cycle — Audit on every major release and review VPATs at least annually.

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Frequently asked questions

The most common questions from federal vendors and agencies navigating Section 508.

Section 508 of the Rehabilitation Act requires US federal agencies and their contractors to make electronic and information technology accessible to people with disabilities. Compliance means meeting WCAG 2.0 Level AA.

Federal agencies, federally-funded programs, and any private company that develops, procures, or maintains ICT used by a federal agency. If you sell software, websites, or hardware to the federal government, Section 508 applies.

A Voluntary Product Accessibility Template (VPAT) is a document where a vendor self-reports how their product meets Section 508 criteria. Federal agencies require VPATs during procurement. An Accessibility Conformance Report (ACR) is the completed, filled-in VPAT.

The 2017 Revised Section 508 Standards reference WCAG 2.0 Level AA. This is slightly older than the current best practice of WCAG 2.1 or 2.2, but meeting 2.1 AA also satisfies 2.0 AA.

Yes. SaaS, cloud applications, and web-based tools procured or used by federal agencies must meet the Revised Section 508 Standards, including the WCAG 2.0 AA web requirements.

ICT stands for Information and Communications Technology. It includes websites, software, hardware, telecommunications, kiosks, and any other electronic product or system used by a federal agency or its staff.

Section 508 applies only to federal agencies and their vendors. The ADA is broader — it covers private businesses, state governments, and public accommodations. Both reference WCAG, but Section 508 specifies WCAG 2.0 while ADA cases now cite 2.1 and 2.2.

Individuals can file administrative complaints and federal lawsuits. Contracts can be voided. Agencies can lose funding. Vendors may be excluded from federal procurement. In practice, the main consequence is losing or failing to win government contracts.

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