warningEN 16931syntax binding ruleCIIBT-123
Only one AdditionalReferencedDocument Name BT-123 is allowed with TypeCode 916.
An element that EN 16931 allows at most once appears more than once: Only one AdditionalReferencedDocument Name BT-123 is allowed with TypeCode 916.
Keep the single correct occurrence and delete the rest. If you genuinely have several values, they belong in a repeatable group, not in repeated elements.
CII — context /rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement
count(ram:AdditionalReferencedDocument[normalize-space(ram:TypeCode) = '916']/ram:Name) <= 1