BR-65
The Item classification identifier (BT-158) shall have a Scheme identifier.
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.
cac:InvoiceLine/cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode | cac:CreditNoteLine/cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode
exists(@listID)
Checked with EN 16931 Invoice (UBL), EN 16931 Credit Note (UBL), Croatia eRačun Invoice (UBL), Croatia eRačun Credit Note (UBL)
//ram:DesignatedProductClassification
normalize-space(ram:ClassCode/@listID) != '' or not (ram:ClassCode)
Checked with EN 16931 Invoice (CII)
//ram:IncludedSupplyChainTradeLineItem
(ram:SpecifiedTradeProduct/ram:DesignatedProductClassification/ram:ClassCode/@listID!='') or not (ram:SpecifiedTradeProduct/ram:DesignatedProductClassification)
Checked with France Factur-X EN 16931, Factur-X / ZUGFeRD EN 16931