198(1) This section applies if the disposal value of a fixture is required to be brought into account in accordance with item 1 or 9 of the Table in section 196 (sale of qualifying interest at not less than market value, etc.).
198(2) The seller and the purchaser may jointly, by an election, fix the amount that is to be treated–
(a)for the purposes of item 1 or (as the case may be) 9 of the Table, and
(b)for the other purposes of this Part,
as the part of the sale price that is expenditure incurred by the purchaser on the provision of the fixture.