Under Chapter B of Bolivia's RAB 65, what is the legal authority and scope of an Air Traffic Controller License (Controlador de Tránsito Aéreo - CTA)?

1. It authorizes the holder to provide air traffic control services in the specific operational ratings endorsed on the license (such as Aerodrome Control, Approach Control, or Area Control), in accordance with DGAC regulations and NAABOL operational standards.
2. It authorizes the holder to pilot commercial transport aircraft within Bolivian airspace.
3. It permits the holder to act as an aircraft maintenance engineer on transport category aircraft.
4. It authorizes the holder to manage international airline passenger ticketing.