Section 508 Checklist for Federal Agencies — Complete Guide (2026 Update) | AccessiTool

Section 508 Checklist for Federal Agencies — Complete Guide (2026 Update)

Section 508 of the Rehabilitation Act requires federal agencies to make their electronic and information technology (EIT) accessible to people with disabilities. In 2026, compliance means meeting WCAG 2.1 Level AA standards.

📌 What Is Section 508?

Section 508 was updated in 2017 to refresh the standards, aligning with WCAG 2.0 Level AA. In practice, federal agencies now follow WCAG 2.1 Level AA for full compliance. The law applies to all federal agencies, including contractors and organizations receiving federal funding.

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Section 508 vs ADA Title II — What's the Difference?

Feature Section 508 ADA Title II
Who it applies to Federal agencies and federal contractors State and local governments
Technical standard WCAG 2.1 Level AA WCAG 2.1 Level AA
Enforcement Section 508 complaints + federal lawsuits DOJ + private lawsuits
Deadline Ongoing (no extension) Extended to 2027/2028

Complete Section 508 Compliance Checklist

👁️ 1. Perceivable — Can users perceive the content?

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1.1.1 — Non-text Content (Level A)

All images, icons, and graphics need descriptive alt text for screen readers.

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1.2.1 — Audio-only and Video-only (Level A)

Provide text transcripts for audio-only content (podcasts) and video-only content.

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1.2.2 — Captions (Prerecorded) (Level A)

All prerecorded videos need synchronized captions.

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1.3.1 — Info and Relationships (Level A)

Use proper HTML (headings, lists, tables) — not just visual styling.

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1.4.3 — Color Contrast (Level AA)

Text must have 4.5:1 contrast ratio (normal) or 3:1 (large text).

⌨️ 2. Operable — Can users navigate and interact?

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2.1.1 — Keyboard (Level A)

All functionality must work with a keyboard (no mouse required).

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2.1.2 — No Keyboard Trap (Level A)

Keyboard focus should never get stuck in a component.

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2.4.1 — Bypass Blocks (Level A)

Provide a way to skip repeated content (like navigation menus).

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2.4.2 — Page Titled (Level A)

Every page must have a descriptive title.

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2.4.3 — Focus Order (Level A)

Keyboard focus order should preserve meaning.

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2.4.7 — Focus Visible (Level AA)

Keyboard focus must be visible at all times.

📖 3. Understandable — Can users understand the content?

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3.1.1 — Language of Page (Level A)

Declare the default language of your page using lang attribute.

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3.3.1 — Error Identification (Level A)

Clearly identify input errors with descriptive text.

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3.3.2 — Labels or Instructions (Level A)

Provide labels or instructions for form inputs.

🤖 4. Robust — Can assistive technologies read the content?

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4.1.2 — Name, Role, Value (Level A)

Custom components must expose their name, role, and value to assistive tech.

🔍 Test Your Federal Website Against Section 508

Use AccessiTool's free Section 508 checker to identify compliance gaps.

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Section 508 Compliance — What Federal Agencies Must Do

1. Accessibility Management

  • Appoint an accessibility coordinator
  • Develop an accessibility policy
  • Create procurement policies for accessible EIT
  • Maintain compliance documentation

2. Testing and Remediation

  • Conduct automated testing using a Section 508 checker
  • Perform manual testing (keyboard, screen reader)
  • Test with users with disabilities
  • Document all fixes

3. Training

  • Train content creators on accessibility
  • Train developers on WCAG implementation
  • Train procurement staff on Section 508 requirements

4. Compliance Reporting

  • Submit annual Section 508 compliance reports
  • Track and respond to accessibility complaints
  • Publish an accessibility statement

Common Section 508 Violations on Federal Websites

Violation WCAG Criterion Fix
Missing alt text for images 1.1.1 Add descriptive alt attributes
Poor color contrast 1.4.3 Use contrast ratio of 4.5:1
No keyboard access 2.1.1 Ensure all elements can be tabbed to
Missing form labels 3.3.2 Add visible labels to all form fields
Inaccessible PDFs 1.1.1 Tag PDFs properly or convert to HTML

Section 508 Testing Tools for Federal Agencies

🏛️ Ensure Your Federal Agency is Section 508 Compliant

Free Section 508 compliance checker — test against WCAG 2.1 Level AA.

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Internal Links — More Federal Compliance Resources

Frequently Asked Questions

❓ What is Section 508 compliance?
Section 508 requires federal agencies to make their electronic and information technology accessible to people with disabilities. It applies to websites, software, documents, and hardware.
❓ What WCAG version does Section 508 require?
The Revised 508 Standards reference WCAG 2.0 Level AA. However, federal agencies are expected to follow WCAG 2.1 Level AA as the current best practice.
❓ Does Section 508 apply to federal contractors?
Yes. If you do business with the federal government, your products and services must comply with Section 508 standards.
❓ Can I use a free Section 508 checker?
Yes! AccessiTool's Section 508 checker is free and tests against WCAG 2.1 Level AA — the standard for Section 508 compliance.
❓ How often should federal agencies test for Section 508 compliance?
At least annually, plus after any major website updates, new document uploads, or software deployments.

Final Thoughts

Section 508 compliance is not optional for federal agencies. Use this Section 508 checklist to assess your website, identify gaps, and prioritize fixes. Regular testing with a free Section 508 checker helps maintain compliance over time.

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