NL-R-009
For suppliers in the Netherlands, if an order line reference (cac:OrderLineReference/cbc:LineID) is used, there must be an order reference on the document level (cac:OrderReference/cbc:ID)
error: the document is invalid
Peppol documentation ↗
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.
Context
cac:OrderLineReference/cbc:LineID[$supplierCountryIsNL]
Test
exists(/*/cac:OrderReference/cbc:ID)
Checked with Peppol BIS Billing 3.0 Invoice, Peppol BIS Billing 3.0 Credit Note