Message

[PEPPOL-T004-S329] ExternalReference SHOULD NOT contain any element but URI, MimeCode, FileName

Context
ubl:CallForTenders/cac:AdditionalDocumentReference/cac:Attachment/cac:ExternalReference
Test
count(./*)-count(./cbc:URI)-count(./cbc:MimeCode)-count(./cbc:FileName)=0