11U.K.References in this Schedule to the “relevant period" are to the period—
(a)beginning with the first day of the period for which the licence was applied for or, if later, the day on which the licence first was to have effect, and
(b)ending with whichever is the earliest of the following times—
(i)the end of the month during which the licence was required to be delivered up;
(ii)the end of the month during which the licence was actually delivered up;
(iii)the date on which the licence was due to expire;
(iv)the end of the month preceding that in which there first had effect a new vehicle licence for the vehicle in question.