@schemeID
- Rules
- 
            
    Identifier/Error message Flag PEPPOL-T004-R012 
 [PEPPOL-T004-R012] An Endpoint Identifier MUST have a scheme identifier attribute.fatal PEPPOL-T004-R013 
 [PEPPOL-T004-R013] An Endpoint Identifier Scheme MUST be from the list of PEPPOL Party Identifiers described in the "PEPPOL Policy for using Identifiers".fatal