Problems with validating UBL-SR-06

ConnectingEurope / eInvoicing-EN16931

Validation artefacts for the European eInvoicing standard EN 16931

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Closed lasjan closed 3 years ago

lasjan commented 4 years ago

There seems to be at least two problems with rule UBL-SR-06.

Provided Context is incorrect. cac:InvoiceDocumentReference does not exist in cac:Invoice nor in cac:CreditNote.
This rule stands in contradiction with EN16931, which clearly allows having multiple preceeding invoice references.

SLennartsson commented 3 years ago

You seem to have missed out the fact that cac:BillingReference forms part of the context for cac:InvoiceDocumentReference.

In EN16931-1:

Business group BG-3, Preceding invoice reference, may repeat
Business term BT-25, Preceding invoice reference (part of BG-3), has cardinality 1..1

In UBL:

BG-3 is bound to cac:BillingReference (it may repeat)
BT-25 is bound to cac:BillingReference/cac:InvoiceDocumentReference/cbc:ID which has exakt one occurrence within a cac:BillingReference

oriol commented 3 years ago

The comment from @SLennartsson clarifies there is no issue.