In regulation 5 of the Principal Regulations—
(a) insert the following definition—
""compulsory ticket area "has the same meaning as in the Transport (Compliance and Miscellaneous) (Ticketing) Regulations 2017 ;";
(b) omit the definition of designated area ;
(c) for the definition of passenger vehicle substitute —
""passenger vehicle" has the same meaning as in the Transport (Compliance and Miscellaneous) (Ticketing) Regulations 2017 ;";
(d) for the definition of ticket substitute —
""ticket" has the same meaning as in the Transport (Compliance and Miscellaneous) (Ticketing) Regulations 2017 ;";
(e) for the definition of valid ticket substitute —
""valid ticket" means a ticket that was valid, in accordance with the Transport (Compliance and Miscellaneous) (Ticketing) Regulations 2017 , for the whole of a person's travel in a passenger vehicle;".