[ibr-113]-Belgian enterprise number MUST be stated in the correct format for endpoints (ibt-034), (ibt-049), party identification (ibt-029), (ibt-046), (ibt-060), legal entities (ibt-030), (ibt-047), (ibt-061).
ibr-113
cbc:EndpointID[@schemeID = '0208'] | cac:PartyIdentification/cbc:ID[@schemeID = '0208'] | cbc:CompanyID[@schemeID = '0208']
matches(normalize-space(), '^[0-9]{10}$') and u:mod97-0208(normalize-space())