ibr-071
An invoice should not include an AdditonalDocumentReference (ibg-24) simultaneously referring an Invoice Object Identifier (ibt-018) and an Attachment (ibt-125).
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
/ubl:Invoice | /cn:CreditNote
not(//cac:AdditionalDocumentReference[cbc:DocumentTypeCode = '130']/cac:Attachment)
Checked with PINT SG Invoice, PINT SG Credit Note, PINT JP Invoice, PINT A-NZ Invoice, PINT A-NZ Credit Note, PINT MY Invoice, PINT MY Credit Note