When is the International Symbol of Accessibility (ISA) required?
Quick Answer
The ISA wheelchair symbol is required on signs for accessible parking spaces, accessible entrances (when not all entrances are accessible), accessible restrooms, and accessible routes. It must be used as specified without modification.
Content Verification
Sources:
Code Reference
ADA 703.7.2.1
ADA 2010 Standards Section 703.7.2.1
Detailed Explanation
The ISA has specific usage requirements:
1. **Required Locations**: - Accessible parking spaces - Accessible entrances (when not all are accessible) - Accessible restrooms - Areas of refuge - Accessible checkout aisles
2. **Symbol Specifications**: - Must be the standard ISO wheelchair symbol - White on blue background (typical but not required) - Proportions as specified in 2010 Standards
3. **Not Required**: When ALL elements of a type are accessible (e.g., if all entrances are accessible, no ISA needed).
4. **California**: The ISA symbol follows federal specifications; no California-specific modifications.
Common Mistakes
- ×Modified or stylized ISA symbols
- ×Using ISA when all facilities are accessible
- ×Not including ISA on accessible-only elements
- ×Wrong proportions or orientation
How to Verify Compliance
- ✓Check that ISA is standard proportions
- ✓Verify ISA is present at required locations
- ✓Confirm accessibility features are actually present
- ✓Check for proper contrast
Official Code Text
"The International Symbol of Accessibility shall be used to identify accessible elements and spaces."
How to Cite This Page
When referencing this information:
SpecCodes.com "When is the International Symbol of Accessibility (ISA) required?" - Verified 2026-01-30Compliant Products
To meet these requirements, compliant signage typically includes:
Related Questions
Expert Verification
Compliance Information Verified
2026-01-30
CBC 2025 / ADA 2010
Effective January 1, 2026
California Building Standards Commission
Compliance Verification Notice
This information is provided for general reference purposes only. Local inspectors and authorities having jurisdiction (AHJ) have final authority over code interpretation and enforcement.
Before ordering signage, SpecCodes recommends:
- Contacting your local Building Department
- Reviewing current permit requirements for your project
- Confirming any local code amendments that may apply
Legal Notice: This content does not constitute legal advice. SpecCodes provides compliance information as a reference resource only. Users are responsible for verifying all requirements with their local jurisdiction before installation.