@schemeID
- Rules
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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