Under MOT Order 2021 No. 16, what is the regulatory requirement when a cruising taxi driver operates an inter-city outbound trip beyond the approved municipal operational boundary?

1. The driver may establish a permanent fixed shuttle route between the two cities without registration
2. The driver must register outbound operational logs in accordance with local regulations, cannot solicit return passengers outside designated stations, and cannot establish fixed-line shuttle operations
3. The driver is legally prohibited from ever crossing municipal boundary lines with passengers
4. The driver must remove the taximeter and negotiate flat cash fares exclusively