@abc.abstractmethod<EOL><INDENT>def register_for_new_agencies(self):<DEDENT>
pass<EOL>
Register for notifications of new agencies.

        ``AgencyReceiver.newAgencies()`` is invoked when a new
        ``Agency`` is created.

        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*