Beginning January 1, 2026, CAAS Standards Version 4.0 is the only standard agencies may use when seeking CAAS accreditation or reaccreditation. Earlier versions (including Version 3.0) are available for historical reference only and may not be used for application or compliance review purposes.
Agencies must use Version 4.0 for:
- New accreditation applications
- Reaccreditation submissions
- Compliance review and site reviews
- Accreditation determinations