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SCN-CSO-HISMUSTAll frameworksImplementation guide coming soon

Historical Notifications

Significant Change Notifications (SCN) · General Provider Responsibilities

Applies to: Providers
Who this applies to
Providers
Service class
All service classes
Force
MUST
Timeframe
No fixed timeframe

Reviewed implementation guidance for SCN-CSO-HIS is not published yet. The official source below remains complete and authoritative.

Official FedRAMP source

Verbatim from FedRAMP/rules

Providers MUST keep 12 months of historical Significant Change Notifications available with their FedRAMP Certification Data.

Defined terms in this requirement

Certification DataProviderSignificant Change

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.