cac:OrderReference
The order can be referred to at header level or here. Doing it here at line level it is possible to refer to multiple order in one document.
- Namespace
- cacurn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2
- Child elements
- 
    Card Name Description 0..1 cbc:ID Order number 
 The order number referred to.Example value: AEG0123450..1 cbc:SalesOrderID Sales order number 
 Reference to the sellers order number.Example value: 5678985
- Rules
- 
            
    Identifier/Error message Flag PEPPOL-T128-B18401 
 Document MUST NOT contain elements not part of the data model.fatal