OXIO Source: date (supplied in headnote)
Capture the source date within the source XML itself, but using the value supplied in the headnote ("Date").
Capture the date in ISO 8601 format.
Instruments (OxLawML):
/regGroup/regMeta/regDateGrp/regDate (without @role)
Cases (OxLawRepML):
/case/headNote/caseDate (without @role)
Commentaries (OxStructML):
/document/regMeta/regDateGrp/regDate[@role='published']