(1)In this Chapter the “published price of the manufacturer, importer or distributor of the accessory” in relation to an accessory means the price published by or on behalf of the manufacturer, importer or distributor of the accessory (as the case may be) as the inclusive price appropriate for such an accessory if sold—
(a)in the United Kingdom,
(b)singly,
(c)in a retail sale,
(d)in the open market, and
(e)at the time immediately before the accessory concerned is first made available for use with the car.
(2)The “inclusive price” means the price inclusive of—
(a)any charge for delivery by the manufacturer, importer or distributor to the seller’s place of business,
(b)any relevant taxes other than car tax (see section 171(1)), and
(c)in the case of an accessory permanently attached to the car, the price which the seller would charge for attaching it.
(3)In the case of an initial extra accessory, the time referred to in subsection (1)(e) may be a time before the car is first made available to the employee.