The SCHema for ACademia, [[https://wiki.refeds.org/display/STAN/SCHAC| SCHAC]], aims to define and promote common schemas in the field of higher education to facilitate inter-institutional data exchange.

It defines some objectClass, attributes and corresponding values and it is responsible of the delegated **''urn:mace:schac''** namespace.

Into that namespace there are some implicit namespace delegations to domain owners

This is the registry entry point for the sub-namespaces with implicit delegation to INFN