Domanda 373, Air Law - ATPL - Airline Transport Pilot license

Its purpose is to supply ATC services but it is not a state organisation.
It has the same privileges and prerogatives as an ATC organisation but its activity is neither continuous nor regular.
It can only supply limited services to the users and under no circumstances may it supply ATC services.
Its only purpose is to relay ATC information to the aircraft in flight or on the ground.