VRBL-INV-EN16931-M-120

Basic Info

Rule If both Invoice Line Invoice Start Date and Invoice Line Invoice End Date are given then the Invoice Line Invoice End Date must be later or equal to the Invoice Line Invoice Start Date.
Context /ubl:Invoice/cac:InvoiceLine/cac:InvoicePeriod
Pattern vrbl-invoice-en16931-ubl-model
Severity fatal

Used Template: EndDateEqualOrLaterStartDate

Parameter Value
StartDate = cbc:StartDate
EndDate = cbc:EndDate

Implementation

not(boolean(cbc:StartDate)) 
or 
not(boolean(cbc:EndDate))
or 
number(
	concat(
		substring(cbc:EndDate, 1, 4),
		substring(cbc:EndDate, 6, 2),
		substring(cbc:EndDate, 9, 2)
	)
)
>=
number(
	concat(
		substring(cbc:StartDate, 1, 4),
		substring(cbc:StartDate, 6, 2),
		substring(cbc:StartDate, 9, 2)
	)
)