GR-R-008-3
When Supplier is Greek and the INVOICE URL Document reference exists, the External Reference URI should be present
What does this rule mean?
The invoice URL reference has no external reference URI.
Without the URI the reference cannot be resolved.
Official rule message (standard)
When Supplier is Greek and the INVOICE URL Document reference exists, the External Reference URI should be present
Where the rule applies
Syntax: UBL
Affected element (XPath):
cac:AdditionalDocumentReference[$isGreekSender and cbc:DocumentDescription = '##INVOICE|URL##']
Technical test
The rule passes when this Schematron expression holds true:
string-length(normalize-space(cac:Attachment/cac:ExternalReference/cbc:URI))>0How to fix it
A missing or incorrect business entry only you can supply. Add or correct it, then re-check.
Add the external reference URI to the invoice URL.
Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.
Check an e-invoice here
Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.