description: Additional constraints on US Core Provenance to ensure it meets payer needs, including indicating when the event occurred and retaining signatures if present
package_name: hl7.fhir.us.davinci
derivation: constraint
name: HRexProvenance
type: Provenance
elements:
  target:
    elements:
      reference: {index: 0}
    required: [reference]
  occurred:
    mustSupport: true
    choices: []
    index: 2
  signature: {mustSupport: true, index: 3}
package_version: hrex-1.1.0-ballot
class: profile
kind: resource
url: http://hl7.org/fhir/us/davinci-hrex/StructureDefinition/hrex-provenance
base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-provenance
version: 1.1.0-ballot