Message

Norwegian organization number MUST be stated in the correct format.

Context
cbc:EndpointID[@schemeID = '0192'] | cac:PartyIdentification/cbc:ID[@schemeID = '0192'] | cbc:CompanyID[@schemeID = '0192']
Test
matches(normalize-space(), '^[0-9]{9}$') and u:mod11(normalize-space())