(1) This section shall apply to a building or structure the site of which is wholly within a designated area, or which fronts on to a designated street, and which is to be an industrial building or structure by reason of its use for a purpose specified in section 268 (1)(a).
(2) Subject to subsection (4), section 271 shall apply in relation to capital expenditure incurred in the qualifying period on the construction or refurbishment of a building or structure to which this section applies as if -
(a) in subsection (1) of that section the definition of "industrial development agency" were deleted,
(b) in subsection (2)(a)(i) of that section "to which subsection (3) applies" were deleted,
(c) subsection (3) of that section were deleted,
(d) the following subsection were substituted for subsection (4) of that section:
"(4) An industrial building allowance shall be of an amount equal to 25 per cent of the capital expenditure mentioned in subsection (2).",
and
(e) in subsection (5) of that
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