How does Article 204 of the Burundi Highway Code regulate mobile telephone use by a driver?

1. A driver may not receive or transmit a mobile telephone call until the vehicle has been brought completely to a stop
2. Phone use is permitted as long as the driver keeps one hand on the steering wheel
3. Phone use is permitted when driving at speeds below 30 km/h
4. Drivers may send text messages as long as they look up every 5 seconds