Final answer:
According to 14 CFR Part 107, the remote PIC of a small unmanned aircraft planning to operate within Class C airspace is required to receive ATC authorization.
Step-by-step explanation:
According to 14 CFR Part 107, the remote PIC (Pilot in Command) of a small unmanned aircraft planning to operate within Class C airspace is required to receive ATC authorization. This means that they must communicate with and obtain permission from Air Traffic Control (ATC) before operating the drone in Class C airspace. This requirement helps ensure the safety and coordination of aviation activities in controlled airspace.