Reference to the invoice/creditnote.

Cardinality
0..1
Namespace
cac urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
Child elements
Card Name Description
0..1 cac:InvoiceDocumentReference

Invoice document reference
Reference to the invoice which is the basis for this invoice line.

0..1 cac:CreditNoteDocumentReference

Credit note document reference
Reference to the credit note which this credit note is based upon.

0..1 cac:BillingReferenceLine

Billing reference line
Reference to the invoice line.