The registration of a motor vehicle--
(a) takes effect--(i) on the date on which the motor vehicle is registered, or(ii) in the case of a renewal of registration--on 1 October following the date on which the application for renewal of registration was made, and
(b) ceases to have effect--(i) subject to any renewal of the registration, on 30 September following the date on which the registration took effect, or(ii) upon cancellation of the registration,whichever first occurs.