Road Traffic Act 1960

167 Authorised vehicles

(1) The vehicles authorised to be used under a carrier's licence shall be—

(a) such motor vehicles, being vehicles belonging to the holder of the licence or in his possession under a hire-purchase agreement, as are specified in the licence;

(b) motor vehicles from time to time in the possession of the holder of the licence under an agreement for hire or loan, not exceeding at any time such maximum number as is specified in the licence;

(c) trailers from time to time belonging to the holder of the licence or in his possession under an agreement for hire-purchase, hire or loan, not exceeding at any time such maximum number as is specified in the licence;

(d) in the case of a C licence, subject to the provisions of the next following subsection, any motor vehicle belonging to the holder of the licence or in his possession under a hire-purchase agreement, but acquired by him, or coming into his possession under such an agreement, only after the grant of the licence.

For the purposes of paragraph (b) or paragraph (c) of this subsection, different types of motor vehicles or different types of trailers, as the case may be, may be distinguished in a licence and a maximum number may be specified in the licence for vehicles or trailers of each type.

(2) A motor vehicle which, after the grant of a C licence, is acquired by the holder of the licence, or comes into his possession under a hire-purchase agreement, shall cease to be an authorised vehicle on the expiration of one month from the date on which it was acquired by him or came into his possession unless before the expiration of that period he delivers to the licensing authority a notice in the prescribed form to the effect that the vehicle has been acquired by him, or has come into his possession, as the case may be.

(3) A motor vehicle specified in a carrier's licence shall not, while it remains so specified, be capable of being effectively specified in any other carrier's licence.