VRBL-INV-PEPPOL-RS-21

Basic Info

Rule If both Invoice Start Date and Invoice Line Invoice Start Date are given then the Invoice Line Invoice Start Date must be later or equal to the Invoice Start Date.
Context /ubl:Invoice/cac:InvoiceLine/cac:InvoicePeriod
Pattern vrbl-invoice-peppol-bis3p0-reduced-syntax
Severity fatal

Used Template: EndDateEqualOrLaterStartDate

Parameter Value
StartDate = /ubl:Invoice/cac:InvoicePeriod/cbc:StartDate
EndDate = cbc:StartDate

Implementation

not(boolean(/ubl:Invoice/cac:InvoicePeriod/cbc:StartDate)) 
or 
not(boolean(cbc:StartDate))
or 
number(
	concat(
		substring(cbc:StartDate, 1, 4),
		substring(cbc:StartDate, 6, 2),
		substring(cbc:StartDate, 9, 2)
	)
)
>=
number(
	concat(
		substring(/ubl:Invoice/cac:InvoicePeriod/cbc:StartDate, 1, 4),
		substring(/ubl:Invoice/cac:InvoicePeriod/cbc:StartDate, 6, 2),
		substring(/ubl:Invoice/cac:InvoicePeriod/cbc:StartDate, 9, 2)
	)
)