Standards Comparison

    WCAG

    Voluntary
    2023

    Global standard for accessible web content and interfaces

    VS

    FDA 21 CFR Part 11

    Mandatory
    1997

    FDA regulation for trustworthy electronic records and signatures

    Quick Verdict

    WCAG ensures web accessibility for all via POUR principles and testable criteria, adopted globally for inclusivity and legal defense. FDA 21 CFR Part 11 mandates trustworthy electronic records/signatures in life sciences, enforced via validation and audit trails for data integrity.

    Web Accessibility

    WCAG

    Web Content Accessibility Guidelines (WCAG) 2.2

    Cost
    €€€
    Complexity
    High
    Implementation Time
    6-12 months

    Key Features

    • Testable success criteria at conformance levels A/AA/AAA
    • POUR principles: Perceivable, Operable, Understandable, Robust
    • Technology-agnostic guidelines for all web content
    • Backward-compatible additive versioning across 2.x releases
    • Full pages and complete processes conformance requirements
    Electronic Records

    FDA 21 CFR Part 11

    21 CFR Part 11 Electronic Records; Electronic Signatures

    Cost
    €€€€
    Complexity
    High
    Implementation Time
    12-18 months

    Key Features

    • Secure time-stamped audit trails for changes
    • Closed vs open system controls differentiation
    • Unique non-repudiable electronic signatures
    • Risk-based system validation requirements
    • Access authority and device checks

    Detailed Analysis

    A comprehensive look at the specific requirements, scope, and impact of each standard.

    WCAG Details

    What It Is

    Web Content Accessibility Guidelines (WCAG) 2.2 is the W3C's technology-agnostic standard for web accessibility. It defines testable requirements to make content perceivable, operable, understandable, and robust for people with disabilities. WCAG uses a layered approach: principles, guidelines, and success criteria.

    Key Components

    • **POUR principlesPerceivable, Operable, Understandable, Robust.
    • 13 guidelines with ~90 success criteria at levels A, AA, AAA.
    • Informative techniques, understanding docs, and Quick Reference.
    • Conformance model requires full pages, complete processes, accessibility-supported tech, non-interference.

    Why Organizations Use It

    • Meets legal references (ADA, Section 508, EN 301 549, EAA).
    • Reduces litigation risk amid rising lawsuits.
    • Improves UX, conversion, SEO, market reach.
    • Enables procurement, builds stakeholder trust.

    Implementation Overview

    Phased program: policy, assessment, remediation via design systems/CI tools, training, audits. Applies to all web content creators globally; AA is typical target. No formal certification but VPAT/ACR for claims.

    FDA 21 CFR Part 11 Details

    What It Is

    FDA 21 CFR Part 11 is a US federal regulation defining criteria for electronic records and electronic signatures to be trustworthy, reliable, and equivalent to paper records and handwritten signatures. It targets FDA-regulated industries using electronic systems for predicate rule records like batch manufacturing and quality control. Adopts a risk-based approach via 2003 guidance, narrowing scope to relied-upon electronic records.

    Key Components

    • **Subpart BControls for closed (§11.10: validation, audit trails, access) and open (§11.30: encryption, digital signatures) systems; signature manifestation/linking.
    • **Subpart CUnique signatures (§11.100), multi-component controls (§11.200), ID/password security (§11.300).
    • Built on authenticity, integrity, non-repudiation principles. No certification; enforced via FDA inspections.

    Why Organizations Use It

    • Mandatory for electronic reliance under predicate rules.
    • Prevents warning letters, ensures data integrity for investigations/CAPA.
    • Enables efficient paperless operations, faster inspections, competitive edge in pharma/devices.

    Implementation Overview

    • Phased: scoping, risk assessment, CSV (IQ/OQ/PQ), SOPs/training, change control.
    • For life sciences in US; scales by organization size/risk. Ongoing audits, no external cert.

    Key Differences

    Scope

    WCAG
    Web content accessibility for disabilities
    FDA 21 CFR Part 11
    Electronic records/signatures trustworthiness

    Industry

    WCAG
    All industries, global web content
    FDA 21 CFR Part 11
    Life sciences, FDA-regulated sectors US

    Nature

    WCAG
    Voluntary W3C guidelines/standard
    FDA 21 CFR Part 11
    Mandatory FDA regulation/enforceable

    Testing

    WCAG
    Automated/manual/AT testing, audits
    FDA 21 CFR Part 11
    System validation IQ/OQ/PQ, audit trails

    Penalties

    WCAG
    Litigation, no direct penalties
    FDA 21 CFR Part 11
    Warning letters, fines, enforcement actions

    Frequently Asked Questions

    Common questions about WCAG and FDA 21 CFR Part 11

    WCAG FAQ

    FDA 21 CFR Part 11 FAQ

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