5(1)After subsection (3) of section 127 (buildings etc. bought unused) there shall be inserted the following subsections—
“(3A)The expenditure referred to in subsection (1) above includes neither—
(a)expenditure which falls to be disregarded for the purposes of writing-down allowances by virtue of section 124(1); nor
(b)expenditure some or all of which is expenditure to which section 124A applies.
(3B)Accordingly, any expenditure which is treated as incurred under subsection (2)(c) above shall be treated (without prejudice to section 124(2)) as incurred for the purposes mentioned in section 124(1).”
(2)In subsection (4) of that section, for “and (3)” there shall be substituted “ (3) and (3B) ”.