Resource-bound Access Control Information (ACI) called security labels that control disclosure of Protected Information. That is, a classification that specifies the degree of protection against access the data or information requires, together with a designation of that degree of protection. [HL7 PASS SLS] "A set of security labels that define which resources are controlled by this consent. If more than one label is specified, all resources must have all the specified labels." - FHIR, Consent.securityLabel