Message

Belgian enterprise number MUST be stated in the correct format.

Context
cbc:EndpointID[@schemeID = '0208'] | cac:PartyIdentification/cbc:ID[@schemeID = '0208'] | cbc:CompanyID[@schemeID = '0208']
Test
matches(normalize-space(), '^[0-9]{10}$') and u:mod97-0208(normalize-space())