Is a taxi driver entitled to pick up an additional passenger in a ride that was ordered by someone else?

The correct answer: Yes, but only with the consent of the passenger who ordered the ride, and without additional payment, up to the designated destination.

A taxi driver may pick up an additional passenger on a ride ordered by someone else only with the consent of the passenger who ordered it, without additional payment, and up to the designated destination. The other answers about night tariff or payment are not correct.