CII-SR-474
An invoice line shall not contain more than one AdditionalReferencedDocument with TypeCode 130.
warning: reported, still valid
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
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement
Test
count(ram:AdditionalReferencedDocument[normalize-space(ram:TypeCode) = '130']) <= 1
Checked with EN 16931 Invoice (CII)