A reference to the recorded expiry day for a vehicle or dealer plate includes a reference to—
(a) for registration of a vehicle that expired before the commencement—the day the vehicle’s registration expired under the expired regulation, section 52; or
(b) for registration of a dealer plate that expired before the commencement—the day the dealer plate’s registration was recorded on the register as expiring under the expired regulation, section 62(5)(b)(iii).