-- XML schema extracted from ITU-T X.1144 (10/2013)

<?xml version="1.0" encoding="UTF-8"?>
<Policy
  xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17"
  xmlns:xacml ="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:md="http://www.med.example.com/schemas/record.xsd"
  PolicyId="urn:oasis:names:tc:xacml:3.0:example:policyid:1"
  RuleCombiningAlgId="urn:oasis:names:tc:xacml:1.0:rule-combining-algorithm:deny-overrides"
  Version="1.0">
  <PolicyDefaults>
    <XPathVersion>http://www.w3.org/TR/1999/REC-xpath-19991116</XPathVersion>
  </PolicyDefaults>
  <Target/>
  <VariableDefinition VariableId="17590034">
    <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
      <Apply
        FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-one-and-only">
        <AttributeDesignator
          MustBePresent="false"
          Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject"
          AttributeId="urn:oasis:names:tc:xacml:3.0:example:attribute:patient-number"
          DataType="http://www.w3.org/2001/XMLSchema#string"/>
      </Apply>
      <Apply
        FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-one-and-only">
        <AttributeSelector
            MustBePresent="false"
            Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
            Path="md:record/md:patient/md:patient-number/text()"
          DataType="http://www.w3.org/2001/XMLSchema#string"/>
      </Apply>
    </Apply>
  </VariableDefinition>
  <Rule
    RuleId="urn:oasis:names:tc:xacml:3.0:example:ruleid:1"
    Effect="Permit">
    <Description>
      A person may read any medical record in the
      http://www.med.example.com/schemas/record.xsd namespace
      for which he or she is the designated patient
    </Description>
    <Target>
      <AnyOf>
        <AllOf>
          <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:anyURI-equal">
            <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#anyURI"
             >urn:example:med:schemas:record</AttributeValue>
            <AttributeDesignator
              MustBePresent="false"
            Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
            AttributeId="urn:oasis:names:tc:xacml:2.0:resource:target-namespace"
            DataType="http://www.w3.org/2001/XMLSchema#anyURI"/>
          </Match>
          <Match
            MatchId="urn:oasis:names:tc:xacml:3.0:function:xpath-node-match">
            <AttributeValue
              DataType="urn:oasis:names:tc:xacml:3.0:data-type:xpathExpression"
       XPathCategory="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
                >md:record</AttributeValue>
            <AttributeDesignator
              MustBePresent="false"
             Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
             AttributeId="urn:oasis:names:tc:xacml:3.0:content-selector"
             DataType="urn:oasis:names:tc:xacml:3.0:data-type:xpathExpression"/>
          </Match>
        </AllOf>
      </AnyOf>
      <AnyOf>
        <AllOf>
          <Match
            MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
            <AttributeValue
              DataType="http://www.w3.org/2001/XMLSchema#string"
               >read</AttributeValue>
            <AttributeDesignator
              MustBePresent="false"
              Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action"
              AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id"
              DataType="http://www.w3.org/2001/XMLSchema#string"/>
          </Match>
        </AllOf>
      </AnyOf>
    </Target>
    <Condition>
      <VariableReference VariableId="17590034"/>
    </Condition>
  </Rule>
</Policy>