...

CoC is used in the eduGAIN interfederation to make service available to users of European higher education institutions. The CoC makes it possible to automatically release mostly harmless attributes to Service Providers witch fulfills the EU Data Protection Directive without breaking the Swedish Personal Data Act. The expected IdP behavior is to release by the service required subset of the attributes eptid, eppn, email, displayName, scoped affiliation and schacHomeOrganization.

...

These categories indicate category classifaction of Identity Providers (IdP) that can release mostly harmless personal attributes to a Service Provider (SP) without breaking the  in conjunction with the Swedish Personal Data Act. It's used together with SWAMID Service Provider Attribute Release Entity Categories above.

...