Passenger Transport (General) Regulation 2017
68N Compulsory reservation of sleeping berths or seats
(1) A person must not, except with the permission of an authorised officer, travel on a train on which booking is compulsory without holding—(a) both a valid ticket for the travel concerned and a reservation for a sleeping berth or seat, or(b) a combined travel and reservation ticket.Maximum penalty—5 penalty units.(2) This clause does not apply to a person who is travelling with another person who holds a valid ticket and reservation, or a combined travel and reservation ticket (or tickets and reservations, or combined travel and reservation tickets) authorising, for both persons, travel on the train concerned.(3) A person is not liable to be punished under both this clause and clause 77A(1) in respect of the same travel.(4) In this clause, valid ticket has the same meaning as in Part 6.