School Bus Driver Communication Devices

School bus drivers are required to have either an operating two-way radio or a cellular radio telecommunications device while in possession of the bus. It is a petty offense for a school bus driver to use a cellular device when the school bus is moving, unless the use falls within the enumerated exceptions, including, but not limited to:
using the cell phone in an emergency,
to call for assistance in the event that there is a mechanical breakdown or other mechanical problem that impairs the safe operation of the bus or to communicate with school authorities or their designees about any other issue relating to the operation of the school bus or the welfare and safety of any passenger, or
using the cell phone while the bus is parked.