<idno>

<idno> (識別代碼) 提供任何用來識別書目項目的標準或非標準編碼。 2.2.4 Publication, Distribution, etc. 2.2.5 The Series Statement 3.11.2.3 Imprint, Pagination, and Other Details
組件header — 2 The TEI Header
屬性att.global (@xml:id, @n, @xml:lang, @rend, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs))
type表明編碼的種類，例如國際標準書號 (ISBN) 或其他標準系列編碼。
狀態 非必備的
資料類型 

<rng:ref name="data.enumerated"/>
data.enumerated
屬於
model.nameLike model.publicationStmtPart
可包含在於
analysis: cl phr s span
core: abbr add addrLine address author bibl biblScope biblStruct corr date del desc distinct editor email emph expan foreign gloss head headItem headLabel hi item l label measure meeting mentioned monogr name note num orig p pubPlace publisher q quote ref reg resp rs said sic soCalled speaker stage street term time title unclear
corpus: activity channel constitution derivation domain factuality interaction locale preparedness purpose
dictionaries: case colloc def dictScrap entryFree etym form gen gram gramGrp hyph iType lang lbl mood number orth per pos pron re sense stress subc syll tns usg xr
drama: actor camera caption castItem role roleDesc sound tech view
figures: cell figDesc
header: authority catDesc change classCode creation distributor edition extent funder geoDecl handNote language principal publicationStmt rendition scriptNote seriesStmt sponsor tagUsage typeNote
iso-fs: fDescr fsDescr
linking: ab seg
msdescription: accMat acquisition additions altIdentifier catchwords collation colophon condition custEvent decoNote explicit filiation finalRubric foliation heraldry incipit layout material msIdentifier musicNotation objectType origDate origPlace origin provenance rubric secFol signatures source stamp summary support surrogates textLang watermark
namesdates: addName affiliation age birth bloc country death district education faith floruit forename genName geogName langKnown nameLink nationality occupation org orgName persName placeName region residence roleName settlement sex socecStatus surname
spoken: u writing
tagdocs: valDesc
textcrit: lem rdg wit witDetail witness
textstructure: byline closer dateline docAuthor docDate docEdition docImprint imprimatur opener salute signed titlePart trailer
transcr: damage fw restore supplied surplus
verse: metSym rhyme
可包含
gaiji: g
宣告

<rng:element name="idno">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:optional>
  <rng:attribute name="type">
   <rng:ref name="data.enumerated"/>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.xtext"/>
</rng:element>
element idno
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   attribute type { data.enumerated }?,
   macro.xtext
}
例子
<idno type="ISSN">0143-3385</idno>
<idno type="DOI">doi:10.1000/123</idno>
<idno type="URL">http://authority.nzetc.org/463/</idno>
<idno type="LT">Thomason Tract E.537(17)</idno>
<idno type="Wing">C695</idno>
<idno type="oldCat">
 <g ref="#sym"/>345
</idno>

In the last case, the identifier includes a non-Unicode character which is defined elsewhere by means of a glyph or char element referenced here as #sym.