# Health Connect Australia Provider Directory FHIR Implementation Guide

0.2.0-preview - Preview

Health Connect Australia Provider Directory FHIR Implementation Guide, published by Australian Digital Health Agency. This guide is not an authorized publication; it is the continuous build for version 0.2.0-preview built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/steveswinsburg/HealthConnect/ and changes regularly. See the Directory of published versions

## Extension: HCPreferredPostalAddress - XML Profile

Page standards status: Draft

XML representation of the hc-preferred-postal-address extension.

Raw xml | Download

    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="hc-preferred-postal-address"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition hc-preferred-postal-address</b></p><a name="hc-preferred-postal-address"> </a><a name="hchc-preferred-postal-address"> </a><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64, " alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-hc-preferred-postal-address-definitions.html#Extension" title="Carries a preferred postal/mailing address for correspondence (PO Box or mailing address) that is distinct from the registered physical address. This extension is used in the context of HC-Location profile. Allows organisations to nominate a secure mailing address for official correspondence.">Extension</a><a name="Extension"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/extensibility.html#Extension">Extension(4.0.1)</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">HC Preferred Postal Address</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_extension_simple.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Simple Extension" class="hierarchy"/> <a style="text-decoration:line-through; text-decoration:line-through" href="StructureDefinition-hc-preferred-postal-address-definitions.html#Extension.extension">extension</a><a name="Extension.extension"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="text-decoration:line-through"/><span style="text-decoration:line-through">0</span><span style="text-decoration:line-through">..</span><span style="text-decoration:line-through">0</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="font-style: italic">Extension</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-hc-preferred-postal-address-definitions.html#Extension.url">url</a><a name="Extension.url"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">1</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#uri">uri</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="color: darkgreen">&quot;http://ns.electronichealth.net.au/hc/StructureDefinition/hc-preferred-postal-address&quot;</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-hc-preferred-postal-address-definitions.html#Extension.value[x]" title="A chosen or preferred postal or mailing address, used for correspondence and separate from the registered physical address.">value[x]</a><a name="Extension.value_x_"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..<span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#Address">Address</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Preferred postal/mailing address</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-hc-preferred-postal-address-definitions.html#Extension.value[x].type">type</a><a name="Extension.value_x_.type"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5; opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#code">code</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">postal | physical | both</span><br/><span style="font-weight:bold">Fixed Value: </span><span style="color: darkgreen">postal</span></td></tr>
    <tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64, " alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
      </text>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="draft">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
            <valueCanonical
                            value="http://ns.electronichealth.net.au/hc/ImplementationGuide/au.digitalhealth.r4.healthconnect"/>
          </extension>
        </valueCode>
      </extension>
      <url
           value="http://ns.electronichealth.net.au/hc/StructureDefinition/hc-preferred-postal-address"/>
      <version value="0.2.0-preview"/>
      <name value="HCPreferredPostalAddress"/>
      <title value="HC Preferred Postal Address"/>
      <status value="draft"/>
      <experimental value="false"/>
      <date value="2026-01-20T04:27:33+00:00"/>
      <publisher value="Australian Digital Health Agency"/>
      <contact>
        <name value="Australian Digital Health Agency"/>
        <telecom>
          <system value="url"/>
          <value value="https://www.digitalhealth.gov.au/"/>
        </telecom>
        <telecom>
          <system value="email"/>
          <value value="help@digitalhealth.gov.au"/>
        </telecom>
      </contact>
      <contact>
        <name value="Australian Digital Health Agency"/>
        <telecom>
          <system value="email"/>
          <value value="mailto:help@digitalhealth.gov.au"/>
          <use value="work"/>
        </telecom>
      </contact>
      <description
                   value="Preferred postal/mailing address for correspondence (PO Box or mailing address) that is distinct from the registered physical address."/>
      <useContext>
        <code>
          <system
                  value="http://terminology.hl7.org/CodeSystem/usage-context-type"/>
          <code value="jurisdiction"/>
        </code>
        <valueCodeableConcept>
          <coding>
            <system value="urn:iso:std:iso:3166"/>
            <code value="AU"/>
            <display value="Australia"/>
          </coding>
        </valueCodeableConcept>
      </useContext>
      <copyright
                 value="Copyright © 2025 Australian Digital Health Agency - All rights reserved. This content is licensed under a Creative Commons Attribution 4.0 International License. See [https://creativecommons.org/licenses/by/4.0/](https://creativecommons.org/licenses/by/4.0/)"/>
      <fhirVersion value="4.0.1"/>
      <mapping>
        <identity value="rim"/>
        <uri value="http://hl7.org/v3"/>
        <name value="RIM Mapping"/>
      </mapping>
      <kind value="complex-type"/>
      <abstract value="false"/>
      <context>
        <type value="element"/>
        <expression value="Location"/>
      </context>
      <type value="Extension"/>
      <baseDefinition
                      value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/>
      <derivation value="constraint"/>
      <snapshot>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
          <valueString value="4.0.1"/>
        </extension>
        <element id="Extension">
          <path value="Extension"/>
          <short value="HC Preferred Postal Address"/>
          <definition
                      value="Carries a preferred postal/mailing address for correspondence (PO Box or mailing address) that is distinct from the registered physical address. This extension is used in the context of HC-Location profile. Allows organisations to nominate a secure mailing address for official correspondence."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <condition value="ele-1"/>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
        </element>
        <element id="Extension.id">
          <path value="Extension.id"/>
          <representation value="xmlAttr"/>
          <short value="Unique id for inter-element referencing"/>
          <definition
                      value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="string"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="Extension.extension">
          <path value="Extension.extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
          </slicing>
          <short value="Extension"/>
          <definition value="An Extension"/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element id="Extension.url">
          <path value="Extension.url"/>
          <representation value="xmlAttr"/>
          <short value="identifies the meaning of the extension"/>
          <definition
                      value="Source of the definition for the extension code - a logical name or a URL."/>
          <comment
                   value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="uri"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <fixedUri
                    value="http://ns.electronichealth.net.au/hc/StructureDefinition/hc-preferred-postal-address"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="Extension.value[x]">
          <path value="Extension.value[x]"/>
          <short value="Preferred postal/mailing address"/>
          <definition
                      value="A chosen or preferred postal or mailing address, used for correspondence and separate from the registered physical address."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Address"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="Extension.value[x].id">
          <path value="Extension.value[x].id"/>
          <representation value="xmlAttr"/>
          <short value="Unique id for inter-element referencing"/>
          <definition
                      value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="string"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="Extension.value[x].extension">
          <path value="Extension.value[x].extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
          </slicing>
          <short value="Additional content defined by implementations"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="Extension.value[x].use">
          <path value="Extension.value[x].use"/>
          <short
                 value="home | work | temp | old | billing - purpose of this address"/>
          <definition value="The purpose of this address."/>
          <comment
                   value="Applications can assume that an address is current unless it explicitly says that it is temporary or old."/>
          <requirements
                        value="Allows an appropriate address to be chosen from a list of many."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.use"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <example>
            <label value="General"/>
            <valueCode value="home"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="This is labeled as &quot;Is Modifier&quot; because applications should not mistake a temporary or old address etc.for a current/permanent one"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="AddressUse"/>
            </extension>
            <strength value="required"/>
            <description value="The use of an address."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/address-use|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.7"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="unique(./use)"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./AddressPurpose"/>
          </mapping>
        </element>
        <element id="Extension.value[x].type">
          <path value="Extension.value[x].type"/>
          <short value="postal | physical | both"/>
          <definition
                      value="Distinguishes between physical addresses (those you can visit) and mailing addresses (e.g. PO Boxes and care-of addresses). Most addresses are both."/>
          <comment
                   value="The definition of Address states that &quot;address is intended to describe postal addresses, not physical locations&quot;. However, many applications track whether an address has a dual purpose of being a location that can be visited as well as being a valid delivery destination, and Postal addresses are often used as proxies for physical locations (also see the [Location](http://hl7.org/fhir/R4/location.html#) resource)."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.type"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <fixedCode value="postal"/>
          <example>
            <label value="General"/>
            <valueCode value="both"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="AddressType"/>
            </extension>
            <strength value="required"/>
            <description value="The type of an address (physical / postal)."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/address-type|4.0.1"/>
          </binding>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.18"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="unique(./use)"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="address type parameter"/>
          </mapping>
        </element>
        <element id="Extension.value[x].text">
          <path value="Extension.value[x].text"/>
          <short value="Text representation of the address"/>
          <definition
                      value="Specifies the entire address as it should be displayed e.g. on a postal label. This may be provided instead of or as well as the specific parts."/>
          <comment
                   value="Can provide both a text representation and parts. Applications updating an address SHALL ensure that  when both text and parts are present,  no content is included in the text that isn't found in a part."/>
          <requirements value="A renderable, unencoded form."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.text"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <example>
            <label value="General"/>
            <valueString value="137 Nowhere Street, Erewhon 9132"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.1 + XAD.2 + XAD.3 + XAD.4 + XAD.5 + XAD.6"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="./formatted"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="address label parameter"/>
          </mapping>
        </element>
        <element id="Extension.value[x].line">
          <path value="Extension.value[x].line"/>
          <short value="Street name, number, direction &amp; P.O. Box etc."/>
          <definition
                      value="This component contains the house number, apartment number, street name, street direction,  P.O. Box number, delivery hints, and similar address information."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Address.line"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <orderMeaning
                        value="The order in which lines should appear in an address label"/>
          <example>
            <label value="General"/>
            <valueString value="137 Nowhere Street"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map
                 value="XAD.1 + XAD.2 (note: XAD.1 and XAD.2 have different meanings for a company address than for a person address)"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="AD.part[parttype = AL]"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="street"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./StreetAddress (newline delimitted)"/>
          </mapping>
        </element>
        <element id="Extension.value[x].city">
          <path value="Extension.value[x].city"/>
          <short value="Name of city, town etc."/>
          <definition
                      value="The name of the city, town, suburb, village or other community or delivery center."/>
          <alias value="Municpality"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.city"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <example>
            <label value="General"/>
            <valueString value="Erewhon"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.3"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="AD.part[parttype = CTY]"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="locality"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./Jurisdiction"/>
          </mapping>
        </element>
        <element id="Extension.value[x].district">
          <path value="Extension.value[x].district"/>
          <short value="District name (aka county)"/>
          <definition value="The name of the administrative area (county)."/>
          <comment
                   value="District is sometimes known as county, but in some regions 'county' is used in place of city (municipality), so county name should be conveyed in city instead."/>
          <alias value="County"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.district"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <example>
            <label value="General"/>
            <valueString value="Madison"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.9"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="AD.part[parttype = CNT | CPA]"/>
          </mapping>
        </element>
        <element id="Extension.value[x].state">
          <path value="Extension.value[x].state"/>
          <short value="Sub-unit of country (abbreviations ok)"/>
          <definition
                      value="Sub-unit of a country with limited sovereignty in a federally organized country. A code may be used if codes are in common use (e.g. US 2 letter state codes)."/>
          <alias value="Province"/>
          <alias value="Territory"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.state"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.4"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="AD.part[parttype = STA]"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="region"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./Region"/>
          </mapping>
        </element>
        <element id="Extension.value[x].postalCode">
          <path value="Extension.value[x].postalCode"/>
          <short value="Postal code for area"/>
          <definition
                      value="A postal code designating a region defined by the postal service."/>
          <alias value="Zip"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.postalCode"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <example>
            <label value="General"/>
            <valueString value="9132"/>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.5"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="AD.part[parttype = ZIP]"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="code"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./PostalIdentificationCode"/>
          </mapping>
        </element>
        <element id="Extension.value[x].country">
          <path value="Extension.value[x].country"/>
          <short value="Country (e.g. can be ISO 3166 2 or 3 letter code)"/>
          <definition
                      value="Country - a nation as commonly understood or generally accepted."/>
          <comment
                   value="ISO 3166 3 letter codes can be used in place of a human readable country name."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.country"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.6"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="AD.part[parttype = CNT]"/>
          </mapping>
          <mapping>
            <identity value="vcard"/>
            <map value="country"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./Country"/>
          </mapping>
        </element>
        <element id="Extension.value[x].period">
          <path value="Extension.value[x].period"/>
          <short value="Time period when address was/is in use"/>
          <definition value="Time period when address was/is in use."/>
          <requirements
                        value="Allows addresses to be placed in historical context."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Address.period"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Period"/>
          </type>
          <example>
            <label value="General"/>
            <valuePeriod>
              <start value="2010-03-23"/>
              <end value="2010-07-01"/>
            </valuePeriod>
          </example>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="v2"/>
            <map value="XAD.12 / XAD.13 + XAD.14"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="./usablePeriod[type=&quot;IVL&lt;TS&gt;&quot;]"/>
          </mapping>
          <mapping>
            <identity value="servd"/>
            <map value="./StartDate and ./EndDate"/>
          </mapping>
        </element>
      </snapshot>
      <differential>
        <element id="Extension">
          <path value="Extension"/>
          <short value="HC Preferred Postal Address"/>
          <definition
                      value="Carries a preferred postal/mailing address for correspondence (PO Box or mailing address) that is distinct from the registered physical address. This extension is used in the context of HC-Location profile. Allows organisations to nominate a secure mailing address for official correspondence."/>
        </element>
        <element id="Extension.extension">
          <path value="Extension.extension"/>
          <max value="0"/>
        </element>
        <element id="Extension.url">
          <path value="Extension.url"/>
          <fixedUri
                    value="http://ns.electronichealth.net.au/hc/StructureDefinition/hc-preferred-postal-address"/>
        </element>
        <element id="Extension.value[x]">
          <path value="Extension.value[x]"/>
          <short value="Preferred postal/mailing address"/>
          <definition
                      value="A chosen or preferred postal or mailing address, used for correspondence and separate from the registered physical address."/>
          <min value="1"/>
          <type>
            <code value="Address"/>
          </type>
        </element>
        <element id="Extension.value[x].type">
          <path value="Extension.value[x].type"/>
          <fixedCode value="postal"/>
        </element>
      </differential>
    </StructureDefinition>