{
  "package" : "hl7.fhir.uv.extensions.r5@5.2.0",
  "definition" : "Conformant applications producing resources SHALL correctly populate this element if they know a value for the element, but it is acceptable if the system is unable to ever know a value for the element.\\nNotes: This obligation does not impose a requirement to be able to know a value, unlike populate and able-to-populate which do.  'Knowing' an element means that a value for the element is available in memory, persistent store, or is otherwise available within the system claiming conformance.",
  "system" : "http://hl7.org/fhir/CodeSystem/obligation",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/CodeSystem/obligation#qualifier",
    "code" : "qualifier",
    "valueCode" : "SHALL"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "valueCode" : "populate-if-known"
  }, {
    "_uri" : "http://hl7.org/fhir/CodeSystem/obligation#security-dependent",
    "code" : "security-dependent",
    "valueBoolean" : true
  } ],
  "codesystem" : "813e5283-dd72-55c1-85d0-0204146e8979",
  "concept_id" : "14f9c8c3-399f-5655-80ba-014a87740f57",
  "ancestors" : {
    "populate-if-known" : 1,
    "SHALL:populate-if-known" : 0,
    "ResourceProducerObligations" : 2
  },
  "id" : "7b2bdcd8-8f06-42f5-8a81-c837a02a47ee",
  "code" : "SHALL:populate-if-known",
  "display" : "SHALL populate if known",
  "version" : "5.2.0"
}