(1)Where, by virtue of sub-paragraph (2) of paragraph 23 of Schedule 2, a vehicle which is an exempt vehicle under sub-paragraph (1) of that paragraph is deemed never to have been an exempt vehicle under that sub-paragraph, vehicle excise duty is payable—
(a)by the person by whom the vehicle was acquired from its manufacturer, in relation to the whole period since the registration of the vehicle, or
(b)by any other person who is for the time being the keeper of the vehicle, in relation to the period since the vehicle was first kept by him,
unless, or except to the extent that, the Secretary of State waives payment of the duty.
(2)Subsection (1) is without prejudice to section 30; but duty with respect to a vehicle is not payable by a person under that subsection in relation to any part of a period if an amount with respect to it has been ordered to be paid by him under that section in relation to the part of the period.