CDS-CSO-AVRAll frameworksImplementation guide coming soonAvailability Reporting
Certification Data Sharing (CDS) · General Provider Responsibilities
Applies to: Providers
- Who this applies to
- Providers
- Service class
- Varies: A, B, C, D
- Force
- Varies by class
- Timeframe
- No fixed timeframe
Reviewed implementation guidance for CDS-CSO-AVR is not published yet. The official source below remains complete and authoritative.
Official FedRAMP source
Verbatim from FedRAMP/rules
This requirement varies by FedRAMP Certification class. Each class has its own statement:
Class A
SHOULDProviders with Class A Certifications SHOULD maintain a web service, available to all necessary parties, that indicates current and historical availability of core services within the cloud service offering over at least the past 30 days, including availability incidents, in both human-readable and machine-readable formats; this service SHOULD be available even if the primary cloud service offering is unavailable.
Class B
MUSTProviders with Class B Certifications MUST maintain a web service, available to all necessary parties, that indicates current and historical availability of core services within the cloud service offering over at least the past 30 days, including availability incidents, in both human-readable and machine-readable formats; this service MUST be available even if the primary cloud service offering is unavailable.
Class C
MUSTProviders with Class C Certifications MUST maintain a web service, available to all necessary parties, that indicates current and historical availability of core services within the cloud service offering over at least the past 30 days, including availability incidents, in both human-readable and machine-readable formats; this service MUST be available even if the primary cloud service offering is unavailable.
Class D
MUSTProviders with Class D Certifications MUST maintain a web service, available to all necessary parties, that indicates current and historical availability of core services within the cloud service offering over at least the past 30 days, including availability incidents, in both human-readable and machine-readable formats; this service MUST be available even if the primary cloud service offering is unavailable.
Defined terms in this requirement
Change history
2026-05-04Initial reset for the Consolidated Rules for 2026 Public Preview.
Content provenance
Official requirement text is sourced from FedRAMP/rules . Boundera implementation guidance has not been fully reviewed for this item.