The organisation, other than Swift, that approves the participation of customer in Closed User Group. The service administrator also defines the service parameters for the provision of the relevant Swift services and products in the Closed User Group.

A valid Swift eight-character BIC that Swift assigns to the service administrator. The service administrator destination is used in digital signatures. The service administrator destination can be the same as the primary server destination.

A Swift user that belongs to the same financial institution as the service administrator. To be considered as part of the same financial institution, Swift must register the service administrator related participant and the service administrator as belonging to the same group of customers for traffic aggregation purposes.