Identification of the issuing agency of the EndpointID.

Usage
Mandatory
Rules
Identifier/Error message Flag
EUGEN-T10-R023
An endpoint identifier MUST have a scheme identifier attribute.
fatal
OP-T10-R002
An Endpoint Identifier Scheme MUST be from the list of PEPPOL Party Identifiers described in the "PEPPOL Policy for using Identifiers".
fatal