VRBL-INV-CORE-601

Basic Info

Rule	The Withholding Tax Subtotal Extensions Group must not contain more than one VRBL extension.
Context	`/ubl:Invoice/cac:WithholdingTaxTotal/cac:TaxSubtotal/cec:UBLExtensions`
Pattern	vrbl-invoice-core
Severity	fatal

Implementation

count(
	cec:UBLExtension/cec:ExtensionContent/*[
		namespace-uri() = 'urn:vertexinc:vrbl:ExtensionComponent:1'
		and
		local-name() = 'WithholdingTaxSubtotalExtension'
	]
)
<=
1