<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://surescripts.net/fhir/StructureDefinition/Surescripts-RLE-Document-Reference" />
  <name value="Surescripts-RLE-Document-Reference" />
  <status value="draft" />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DocumentReference" />
  <baseDefinition value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-documentreference" />
  <derivation value="constraint" />
  <differential>
    <element id="DocumentReference.securityLabel">
      <path value="DocumentReference.securityLabel" />
      <max value="0" />
    </element>
    <element id="DocumentReference.content.attachment.data">
      <path value="DocumentReference.content.attachment.data" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>