Gives the project identifier for the ISO project within which this standard was developed.
This element is part of the ISOSTS customization of the JATS journal publishing vocabulary; it is not part of the base vocabulary.
Text, numbers, or special characters, zero or more
...
<doc-ident>
<sdo>CEN</sdo>
<proj-id>22964</proj-id>
<language>en</language>
<release-version>Definitive text</release-version>
<urn></urn>
</doc-ident>
...
ISOSTS-iso-metadata.ent