1(1)This Part of this Schedule applies to vehicles of the following description, that is to say:—
road vehicles constructed or adapted for use for the carriage or haulage of goods or burden of any description not forming part of the vehicle or necessary for its propulsion or equipment, being either mechanically propelled vehicles or vehicles designed for use as components of a composite vehicle which is mechanically propelled, and not being vehicles in respect of which purchase tax has become chargeable nor vehicles of the kinds mentioned in paragraphs (b), (c), (d), (e) and (h) of sub-paragraph (2) of paragraph 3 of Part I of this Schedule;
but applies to a vehicle of that description only where purchase tax would have become chargeable in respect of it if vehicles of that description had been made chargeable goods as from the first day of May, nineteen hundred and fifty.
(2)Any reference in this Part of this Schedule to a prospective liability by virtue of this Act to purchase tax shall be taken as a reference to a prospective liability to purchase tax arising from the charge of purchase tax on certain vehicles which was provided for by a resolution passed by the Committee of Ways and Means of the House of Commons on budget day.
(3)In this Part of this Schedule, the expression " relevant vehicle " means a vehicle to which this Part of this Schedule applies, the expression " budget day " means the eighteenth day of April, nineteen hundred and fifty, and the expression " process of manufacture " has the same meaning as in section sixteen of the Finance Act, 1946.