<msIdentifier>

<msIdentifier> (manuscript identifier) contains the information required to identify the manuscript or similar object being described. [11.4 The Manuscript Identifier]
Module msdescription — Manuscript Description
Attributes
Member of
model.biblPart
Contained by
core: bibl
msdescription: msDesc msFrag msPart
May contain
header: idno
msdescription: altIdentifier collection institution msName repository
namesdates: bloc country district geogName objectName placeName region settlement
Example
<msIdentifier>
 <settlement>San Marino</settlement>
 <repository>Huntington Library</repository>
 <idno>MS.El.26.C.9</idno>
</msIdentifier>
Schematron

<sch:rule context="tei:msIdentifier">
<sch:report test="not( parent::tei:msPart ) and ( child::*[1]/self::idno or child::*[1]/self::altIdentifier or normalize-space(.) eq '')">An msIdentifier must contain either a repository or location.</sch:report>
</sch:rule>
Content model 
<content>
 <sequence>
  <sequence>
   <classRef key="model.placeNamePart"
    expand="sequenceOptional"/>
   <elementRef key="institution"
    minOccurs="0"/>
   <elementRef key="repository"
    minOccurs="0"/>
   <elementRef key="collection"
    minOccurs="0" maxOccurs="unbounded"/>
   <elementRef key="idno" minOccurs="0"
    maxOccurs="unbounded"/>
  </sequence>
  <alternate minOccurs="0"
   maxOccurs="unbounded">
   <elementRef key="msName"/>
   <elementRef key="objectName"/>
   <elementRef key="altIdentifier"/>
  </alternate>
 </sequence>
</content>
Schema Declaration 
<rng:element name="msIdentifier">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:group>
  <rng:group>
   <rng:optional>
    <rng:ref name="placeName"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="bloc"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="country"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="region"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="settlement"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="district"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="geogName"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="institution"/>
   </rng:optional>
   <rng:optional>
    <rng:ref name="repository"/>
   </rng:optional>
   <rng:zeroOrMore>
    <rng:ref name="collection"/>
   </rng:zeroOrMore>
   <rng:zeroOrMore>
    <rng:ref name="idno"/>
   </rng:zeroOrMore>
  </rng:group>
  <rng:zeroOrMore>
   <rng:choice>
    <rng:ref name="msName"/>
    <rng:ref name="objectName"/>
    <rng:ref name="altIdentifier"/>
   </rng:choice>
  </rng:zeroOrMore>
 </rng:group>
</rng:element>
element msIdentifier
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   (
      (
         placeName?,
         bloc?,
         country?,
         region?,
         settlement?,
         district?,
         geogName?,
         institution?,
         repository?,
         collection*,
         idno*
      ),
      ( msName | objectName | altIdentifier )*
   )
}