{
  "resourceType": "Organization",
  "id": "Organization-Extension-Period-Example",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/organization-period",
      "valuePeriod": {
        "start": "2017-01-01T00:00:00Z"
      }
    }
  ],
  "identifier": [
    {
      "use": "official",
      "system": "https://fhir.nhs.uk/Id/ods-organization-code",
      "value": "RR8"
    }
  ],
  "name": "LEEDS TEACHING HOSPITALS NHS TRUST"
}