Section 23 of the Corporation Tax Act, 1976, is hereby amended, as respects accounting periods ending on or after the 1st day of January, 1995 -
(a) in subsection (2) by the substitution for "the corporation tax attributable to any income or gain ('the relevant income or gain') shall be determined in accordance with subsections (3) and (4)." of the following:
"the corporation tax attributable to any income or gain (hereafter in this subsection referred to as 'the said income' or 'the said gain', as the case may be) of a company shall, subject to subsections (3) and (4), be the corporation tax attributable to so much (hereafter in this section referred to as 'the relevant income' or 'the relevant gain', as the case may be) of the income or chargeable gains of the company computed in accordance with the Tax Acts and the Capital Gains Tax Acts, as is attributable to the said income or the said gain, as the case may be:
Provided that, for the purposes of this subsection, the relevant