3The making of the agreement for the payment of separate fares must not have been initiated by the driver or by the owner of the vehicle, by the person who has let the vehicle for hire by any hiring agreement or hire-purchase agreement, or by any person who receives any remuneration in respect of the arrangements for the journey:
Provided that the agreement may have been initiated by the driver or owner if the passengers are not being carried in the course of a business of carrying passengers.