54(1)This paragraph applies if—
(a)at the beginning of the tax year 1990-91 machinery consisting of a mechanically propelled road vehicle was provided by a person for use in the performance of the duties of an office or employment held by him, and
(b)the machinery was also provided by him at the end of the tax year 1989-90 for use in the performance of the duties of that office or employment but without that provision being necessary.
(2)Part 2 of this Act has effect as if the person had incurred capital expenditure on the provision of the machinery for the purposes of the office or employment in the tax year 1990-91—
(a)the amount of that expenditure being taken as the price which the machinery would have fetched if sold in the open market on 6th April 1990, and
(b)the person being treated as owning the machinery as a result of his having incurred that expenditure.