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MAS-CSO-MDIMUSTAll frameworksImplementation guide coming soon

Metadata Inclusion

Minimum Assessment Scope (MAS) · General Provider Responsibilities

Applies to: Providers
Who this applies to
Providers
Service class
All service classes
Force
MUST
Timeframe
No fixed timeframe
See this rule in your scope

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

Expected evidence artifacts

  • A machine readable output containing all required data of the metadata collected or maintained by the cloud service offering that are likely to handle federal customer data or likely to impact the confidentiality, integrity, or availability of federal customer data handled by the cloud service offering.
  • A human readable explanation of how the machine readable output is derived.
  • The code for the automated process used to generate the machine readable output.

Official FedRAMP source

Verbatim from FedRAMP/rules

Providers MUST include metadata (including metadata about federal customer data) in the Minimum Assessment Scope ONLY IF MAS-CSO-IIR (Identify Information Resources) APPLIES.

Defined terms in this requirement

Federal Customer DataInformation ResourceInitial Incident Report (IIR)Provider

Operationalize this rule

Boundera turns FedRAMP 20x requirements like MAS-CSO-MDI into assigned evidence, remediation work, and validation workflows.

See it on your cloud

Change history

  • 2026-06-24Official launch of the FedRAMP Consolidated Rules for 2026.

Content provenance

Official requirement text is sourced from FedRAMP/rules . Boundera implementation guidance has not been fully reviewed for this item.