Message

Attribute 'listID' MUST contain value 'ISO3166-1:Alpha2'

Context
/ubl:Catalogue/cac:CatalogueLine/cac:RequiredItemLocationQuantity/cac:ApplicableTerritoryAddress/cac:Country/cbc:IdentificationCode
Test
not(@listID) or @listID = 'ISO3166-1:Alpha2'
Usage
/ ubl:Catalogue / cac:CatalogueLine / cac:RequiredItemLocationQuantity / cac:ApplicableTerritoryAddress / cac:Country / cbc:IdentificationCode / @listID