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Section 508 PDF Compliance: A Practical Checklist

Section 508 of the US Rehabilitation Act requires that electronic content produced or used by federal agencies — and, in practice, by their contractors and grantees — be accessible to people with disabilities. That explicitly includes PDF documents: reports, forms, memos, and public-facing publications.

Who Section 508 applies to

  • US federal agencies and departments.
  • Contractors and vendors that produce content for federal agencies.
  • Organizations receiving federal funding (often via grant requirements).
  • Many state governments, which adopt 508 or equivalent rules.

What the standard actually requires

The 2017 "Section 508 Refresh" aligned the technical requirements with WCAG 2.0 Level AA. So in practice, making a PDF Section 508 compliant means meeting WCAG 2.0 AA (and PDF/UA covers the PDF-specific mechanics). There is no separate, conflicting checklist — it is the same accessibility fundamentals.

Because 508 points at WCAG 2.0 AA, a PDF that meets WCAG 2.1 AA (a superset) and PDF/UA will comfortably satisfy Section 508.

The practical checklist

  1. 1The document is fully tagged, with decorative content marked as artifacts.
  2. 2Reading order is logical and matches the visual layout.
  3. 3Every meaningful image has alternative text.
  4. 4Headings use real H1–H6 tags with no skipped levels.
  5. 5Data tables have tagged header cells with correct scope.
  6. 6Links have descriptive text; form fields have accessible names and a logical tab order.
  7. 7The document has a meaningful title (set to display) and a declared language.
  8. 8Color contrast meets at least 4.5:1 for body text, and color is not the only way information is conveyed.
  9. 9All fonts are embedded.
  10. 10The document passes an automated accessibility check and a screen reader spot-check.

How to prove compliance

Agencies often expect documentation — an accessibility report or conformance statement. An automated checker gives you a concrete, itemized report of pass/fail status against PDF/UA and WCAG, which is a strong starting point for that evidence. Pair it with a manual screen reader review for the judgment-based criteria.

You can generate a free PDF accessibility report on this site to see where a document stands against these requirements.

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Frequently asked questions

Who has to comply with Section 508?
US federal agencies, the contractors and vendors that produce content for them, and organizations receiving federal funding. Many state governments adopt Section 508 or an equivalent rule, so it reaches well beyond the federal government itself.
What standard does Section 508 use for PDFs?
Since the 2017 Section 508 Refresh, the technical requirements are aligned with WCAG 2.0 Level AA. There is no separate, conflicting PDF checklist — making a PDF 508 compliant means meeting WCAG 2.0 AA, with PDF/UA covering the PDF-specific mechanics.
How do I prove a PDF is Section 508 compliant?
Generate an itemized accessibility report showing pass/fail status against PDF/UA and WCAG, and pair it with a manual screen-reader review for the judgment-based criteria. Together these form the conformance evidence agencies typically ask for.

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