(1) Subject to this section, where -
(a) under a contract entered into after the 27th day of November, 1975, a company (in this section referred to as "the first company") incurs capital expenditure on the provision of machinery or plant which the first company lets to another person by another contract (in this section referred to as a "leasing contract"),
(b) apart from this subsection the first company would be entitled to claim relief under subsection (1) or (2) of section 396 in respect of losses incurred on the leasing contract, and
(c) in the accounting period for which an allowance under section 283 or 285 in respect of the expenditure referred to in paragraph (a) is made to the first company, arrangements are in existence by virtue of which, at some time during or after the expiry of that accounting period, a successor company will be able to carry on any part of the first company's trade which consists of or includes the performance of all or any of the obligations which apar
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