4(1)Section 4 (expenditure related to exempt gas and deballasting) is amended as follows.U.K.
(2)After subsection (5) insert—
“(6)But where—
(a)expenditure would (apart from this subsection) fall within paragraph (a) of subsection (5) above, and
(b)the asset has, at any time in the period of 6 years ending with the date on which the expenditure was incurred, been used in a way that gives rise to tax-exempt tariffing receipts,
the expenditure shall not be regarded for the purposes of that subsection as expenditure incurred in enhancing the value of the asset with a view to the subsequent disposal of the asset, or of an interest in it, to the extent that the amount of the expenditure falls to be reduced in accordance with subsection (7) below.
(7)The reduction is to be made by applying section 7A below in relation to the expenditure as it applies in relation to disposal receipts in respect of a disposal, but with the substitution—
(a)for references to the disponor, of references to the person incurring the expenditure (“the relevant participator”),
(b)for references to the amount or value (apart from that section) of any disposal receipts of the disponor in respect of the disposal, of references to the amount which would, apart from subsection (6) above, be the amount of the expenditure incurred by the relevant participator with a view to the subsequent disposal of the asset or of an interest in it,
(c)for references to the interest disposed of, of references to the asset or interest whose subsequent disposal gives or is expected to give rise to disposal receipts,
(d)for references to the date of the disposal, of references to the date on which the expenditure was incurred,
and taking the reference in subsection (6)(b) of that section to a reduction made by virtue of that section as a reference to a reduction made by virtue of that section for the purposes of section 7(9) of this Act.”.