<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="England-PeriodType" />
  <url value="https://fhir.nhs.uk/England/CodeSystem/England-PeriodType" />
  <version value="1.1.0" />
  <name value="EnglandPeriodType" />
  <title value="England Period Type" />
  <status value="active" />
  <date value="2025-06-25" />
  <publisher value="NHS England" />
  <contact>
    <name value="NHS England" />
    <telecom>
      <system value="email" />
      <value value="interoperabilityteam@nhs.net" />
      <use value="work" />
      <rank value="1" />
    </telecom>
  </contact>
  <description value="A set of codes that define the role/s of an organisation, as described by the Organisation Data Service" />
  <copyright value="Copyright © 2023+ NHS England Licensed under the Apache License, Version 2.0 (the \&quot;License\&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \&quot;AS IS\&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
  <caseSensitive value="true" />
  <content value="complete" />
  <concept>
    <code value="Legal" />
    <display value="Legal" />
    <definition value="The date on which an Organisation entity became legally established or was legally closed." />
  </concept>
  <concept>
    <code value="Operational" />
    <display value="Operational" />
    <definition value="Residual period to carry out an activity following the closure of an organisation." />
  </concept>
  <concept>
    <code value="system-effective" />
    <display value="System Effective" />
    <definition value="The date the data is valid and available for use. The system effective end date (Period.end)  represents a soft/logical delete - the record becomes invalid but remains in the system." />
  </concept>
</CodeSystem>