Message

A validity period end date SHALL be later or equal to a validity period start date

Context
/ubl:Catalogue/cac:ValidityPeriod
Test
$CatalogueValidityEnd >= $CatalogueValidityStart
Usage
/ ubl:Catalogue / cac:ValidityPeriod / cbc:StartDate
/ ubl:Catalogue / cac:ValidityPeriod / cbc:EndDate