HL7 Czech Base and Core Implementation Guide
0.3.0-ballot - ci-build

HL7 Czech Base and Core Implementation Guide, published by HL7 Czech Republic. This guide is not an authorized publication; it is the continuous build for version 0.3.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7-cz/cz-core/ and changes regularly. See the Directory of published versions

## Data Type Profile: CZ_Signature - XML Profile

Page standards status: Draft | Maturity Level: 1

XML representation of the cz-signature data type profile.

Raw xml | Download

    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="cz-signature"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition cz-signature</b></p><a name="cz-signature"> </a><a name="hccz-signature"> </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-cz-signature-definitions.html#Signature" title="Signature according to Czech conventions. The type determines whether it is a signature or a timestamp.">Signature</a><a name="Signature"> </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"><a style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;" href="http://hl7.org/fhir/R4/conformance-rules.html#constraints" title="This element has or is affected by constraints ( data-must-be )">C</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">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/datatypes.html#Signature">Signature</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">Signature according to Czech conventions<br class="constraint"/><span title="null" class="constraint">Constraints: </span><span style="font-weight:bold" title="Signature must contain data, author and date" class="constraint">data-must-be</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_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: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-cz-signature-definitions.html#Signature.type" title="The kind of signature that determines whether it is a signature or a timestamp. RECOMMENDED to include.">type</a><a name="Signature.type"> </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"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</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"><span style="opacity: 0.5">1</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: #F7F7F7; 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#Coding">Coding</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"><span style="opacity: 0.5">Indication of the reason the entity signed the object(s)</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-cz-signature-definitions.html#Signature.when">when</a><a name="Signature.when"> </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="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</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"><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#instant">instant</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">When the signature was created</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_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_reference.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource" class="hierarchy"/> <a href="StructureDefinition-cz-signature-definitions.html#Signature.who">who</a><a name="Signature.who"> </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"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</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"><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: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a href="StructureDefinition-cz-practitioner-core.html">Practitioner (CZ core)</a> | <a href="StructureDefinition-cz-practitionerrole-core.html">Practitioner Role (CZ core)</a> | <a href="StructureDefinition-cz-relatedPerson-core.html">Related Person (CZ core)</a> | <a href="StructureDefinition-cz-device-observer.html">Device: Performer/Observer (CZ)</a> | <a href="StructureDefinition-cz-medical-device.html">Medical Device (CZ)</a> | <a href="StructureDefinition-cz-organization-core.html">Organization (CZ core)</a> | <a href="StructureDefinition-cz-patient-core.html">Patient (CZ core)</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"><span style="opacity: 0.5">Who signed</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_reference.png" alt="." style="background-color: white; background-color: inherit" title="Reference to another Resource" class="hierarchy"/> <a href="StructureDefinition-cz-signature-definitions.html#Signature.onBehalfOf">onBehalfOf</a><a name="Signature.onBehalfOf"> </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 href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a href="StructureDefinition-cz-practitioner-core.html">Practitioner (CZ core)</a> | <a href="StructureDefinition-cz-practitionerrole-core.html">Practitioner Role (CZ core)</a> | <a href="StructureDefinition-cz-relatedPerson-core.html">Related Person (CZ core)</a> | <a href="StructureDefinition-cz-device-observer.html">Device: Performer/Observer (CZ)</a> | <a href="StructureDefinition-cz-medical-device.html">Medical Device (CZ)</a> | <a href="StructureDefinition-cz-organization-core.html">Organization (CZ core)</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">The party represented</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_bck00.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-cz-signature-definitions.html#Signature.data">data</a><a name="Signature.data"> </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"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</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"><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: #F7F7F7; 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#base64Binary">base64Binary</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"><span style="opacity: 0.5">The actual signature content (XML DigSig. JWS, picture, etc.)</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-fmm">
        <valueInteger value="1"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="draft"/>
      </extension>
      <url value="https://hl7.cz/fhir/core/StructureDefinition/cz-signature"/>
      <version value="0.3.0-ballot"/>
      <name value="CZ_Signature"/>
      <title value="Signature (CZ)"/>
      <status value="draft"/>
      <experimental value="false"/>
      <date value="2025-12-19T09:24:48+00:00"/>
      <publisher value="HL7 Czech Republic"/>
      <contact>
        <name value="HL7 Czech Republic"/>
        <telecom>
          <system value="url"/>
          <value value="https://www.hl7.cz/"/>
        </telecom>
      </contact>
      <description
                   value="Czech national profile on Signature holds an electronic representation of a signature or timestamp and its supporting context in a FHIR accessible form."/>
      <jurisdiction>
        <coding>
          <system value="urn:iso:std:iso:3166"/>
          <code value="CZ"/>
          <display value="Czechia"/>
        </coding>
      </jurisdiction>
      <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"/>
      <type value="Signature"/>
      <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Signature"/>
      <derivation value="constraint"/>
      <snapshot>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
          <valueString value="4.0.1"/>
        </extension>
        <element id="Signature">
          <path value="Signature"/>
          <short value="Signature according to Czech conventions"/>
          <definition
                      value="Signature according to Czech conventions. The type determines whether it is a signature or a timestamp."/>
          <comment
                   value="The elements of the Signature Resource are for ease of access of these elements. For digital signatures (Xml DigSig, JWS), the non-repudiation proof comes from the Signature  validation, which includes validation of the referenced objects (e.g. Resources) (a.k.a., Content) in the XML-Signature Detached form."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Signature"/>
            <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"/>
          </constraint>
          <constraint>
            <key value="data-must-be"/>
            <severity value="error"/>
            <human value="Signature must contain data, author and date"/>
            <expression value="data.exists() and who.exists() and when.exists()"/>
            <source
                    value="https://hl7.cz/fhir/core/StructureDefinition/cz-signature"/>
          </constraint>
          <isModifier value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="Signature.id">
          <path value="Signature.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="Signature.extension">
          <path value="Signature.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"/>
          </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"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="Signature.type">
          <path value="Signature.type"/>
          <short
                 value="Indication of the reason the entity signed the object(s)"/>
          <definition
                      value="The kind of signature that determines whether it is a signature or a timestamp. RECOMMENDED to include."/>
          <comment
                   value="Examples include attesting to: authorship, correct transcription, and witness of specific event. Also known as a &amp;quot;Commitment Type Indication&amp;quot;."/>
          <min value="1"/>
          <max value="*"/>
          <base>
            <path value="Signature.type"/>
            <min value="1"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Coding"/>
          </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"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="SignatureType"/>
            </extension>
            <strength value="preferred"/>
            <description
                         value="An indication of the reason that an entity signed the object."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/signature-type|4.0.1"/>
          </binding>
        </element>
        <element id="Signature.when">
          <path value="Signature.when"/>
          <short value="When the signature was created"/>
          <definition value="When the digital signature was signed."/>
          <comment
                   value="This should agree with the information in the signature."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Signature.when"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="instant"/>
          </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"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="Signature.who">
          <path value="Signature.who"/>
          <short value="Who signed"/>
          <definition
                      value="A reference to an application-usable description of the identity that signed  (e.g. the signature used their private key)."/>
          <comment
                   value="This should agree with the information in the signature."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Signature.who"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitioner-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitionerrole-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-relatedPerson-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-device-observer"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-medical-device"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-organization-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-patient-core"/>
          </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"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="Signature.onBehalfOf">
          <path value="Signature.onBehalfOf"/>
          <short value="The party represented"/>
          <definition
                      value="A reference to an application-usable description of the identity that is represented by the signature."/>
          <comment value="The party that can't sign. For example a child."/>
          <requirements
                        value="used when the signature is on behalf of a non-signer."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Signature.onBehalfOf"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitioner-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitionerrole-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-relatedPerson-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-device-observer"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-medical-device"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-organization-core"/>
          </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"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="Signature.targetFormat">
          <path value="Signature.targetFormat"/>
          <short value="The technical format of the signed resources"/>
          <definition
                      value="A mime type that indicates the technical format of the target resources signed by the signature."/>
          <comment
                   value="&quot;xml&quot;, &quot;json&quot; and &quot;ttl&quot; are allowed, which describe the simple encodings described in the specification (and imply appropriate bundle support). Otherwise, mime types are legal here."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Signature.targetFormat"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </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"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="MimeType"/>
            </extension>
            <strength value="required"/>
            <description
                         value="The mime type of an attachment. Any valid mime type is allowed."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/mimetypes|4.0.1"/>
          </binding>
        </element>
        <element id="Signature.sigFormat">
          <path value="Signature.sigFormat"/>
          <short value="The technical format of the signature"/>
          <definition
                      value="A mime type that indicates the technical format of the signature. Important mime types are application/signature+xml for X ML DigSig, application/jose for JWS, and image/* for a graphical image of a signature, etc."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Signature.sigFormat"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </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"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="MimeType"/>
            </extension>
            <strength value="required"/>
            <description
                         value="The mime type of an attachment. Any valid mime type is allowed."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/mimetypes|4.0.1"/>
          </binding>
        </element>
        <element id="Signature.data">
          <path value="Signature.data"/>
          <short
                 value="The actual signature content (XML DigSig. JWS, picture, etc.)"/>
          <definition
                      value="The base64 encoding of the Signature content. When signature is not recorded electronically this element would be empty."/>
          <comment
                   value="Where the signature type is an XML DigSig, the signed content is a FHIR Resource(s), the signature is of the XML form of the Resource(s) using  XML-Signature (XMLDIG) &quot;Detached Signature&quot; form."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Signature.data"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="base64Binary"/>
          </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"/>
          </constraint>
          <mustSupport value="true"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
      </snapshot>
      <differential>
        <element id="Signature">
          <path value="Signature"/>
          <short value="Signature according to Czech conventions"/>
          <definition
                      value="Signature according to Czech conventions. The type determines whether it is a signature or a timestamp."/>
          <constraint>
            <key value="data-must-be"/>
            <severity value="error"/>
            <human value="Signature must contain data, author and date"/>
            <expression value="data.exists() and who.exists() and when.exists()"/>
            <source
                    value="https://hl7.cz/fhir/core/StructureDefinition/cz-signature"/>
          </constraint>
        </element>
        <element id="Signature.type">
          <path value="Signature.type"/>
          <definition
                      value="The kind of signature that determines whether it is a signature or a timestamp. RECOMMENDED to include."/>
          <mustSupport value="true"/>
        </element>
        <element id="Signature.when">
          <path value="Signature.when"/>
          <mustSupport value="true"/>
        </element>
        <element id="Signature.who">
          <path value="Signature.who"/>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitioner-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitionerrole-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-relatedPerson-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-device-observer"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-medical-device"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-organization-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-patient-core"/>
          </type>
          <mustSupport value="true"/>
        </element>
        <element id="Signature.onBehalfOf">
          <path value="Signature.onBehalfOf"/>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitioner-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-practitionerrole-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-relatedPerson-core"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-device-observer"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-medical-device"/>
            <targetProfile
                           value="https://hl7.cz/fhir/core/StructureDefinition/cz-organization-core"/>
          </type>
        </element>
        <element id="Signature.data">
          <path value="Signature.data"/>
          <mustSupport value="true"/>
        </element>
      </differential>
    </StructureDefinition>