/ubl:Invoice/cac:BillingReference/cac:InvoiceDocumentReference/cec:UBLExtensions/cec:UBLExtension/cec:ExtensionContent/vrbl:InvoiceDocumentReferenceExtension/ubl:Invoice

Invoice Document Reference Invoice

Context ID	INV2000
Cardinality	0..1
Usage	O

Description

A document used to request payment.