For the driver of any City Tour Bus to engage in Tour Narration while such vehicle is in motion on any public street. For purposes of this Section 7.2.89, "City Tour Bus" shall mean a bus carrying passengers for compensation that is not required to be authorized by the California Public Utilities Commission to operate as either a charter party carrier or a passenger stage corporation under the California Public Utilities Code, and "Tour Narration" shall mean providing regular or ongoing oral information to passengers other than communications concerning payment of fares, announcement of stops, vehicle operation, safety or emergency procedures, occasional brief responses to questions initiated by passengers, or any communication to passengers that is required by law. "Tour Narration" shall also not include any communication to passengers made by a person other than the operator, or any recorded communication delivered to passengers.