FX-SCH-A-000029
Element 'ram:IssuerAssignedID' must occur exactly 1 times.
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.
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:BuyerOrderReferencedDocument
count(ram:IssuerAssignedID)=1
Checked with Factur-X / ZUGFeRD MINIMUM
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:InvoiceReferencedDocument
count(ram:IssuerAssignedID)=1
Checked with Factur-X / ZUGFeRD BASIC
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:ContractReferencedDocument
count(ram:IssuerAssignedID)=1
Checked with Factur-X / ZUGFeRD BASIC
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeDelivery/ram:DespatchAdviceReferencedDocument
count(ram:IssuerAssignedID)=1
Checked with Factur-X / ZUGFeRD BASIC