VRBL-INV-HU-1p0-11

Basic Info

Rule	The Preceding Invoice Reference ID and Preceding Invoice Issue Date must exist when the Invoice Document Reference Prepayment Amount is provided.
Context	`/ubl:Invoice/cac:BillingReference/cac:InvoiceDocumentReference`
Pattern	vrbl-invoice-hu-1p0
Severity	fatal

Implementation

not(boolean(cec:UBLExtensions/cec:UBLExtension/cec:ExtensionContent/vrbl:InvoiceDocumentReferenceExtension/vrbl:InvoicedPrepaymentAmount))
or
(
	boolean(cbc:IssueDate)
	and
	boolean(cbc:ID)
)