225R1. The amount prescribed in paragraph a of section 225 of the Act in respect of a taxpayer for a taxation year is the aggregate of the following amounts:(a) the amount computed for the year in respect of the taxpayer under paragraph e of subsection 1 of section 37 of the Income Tax Act (R.S.C. 1985, c. 1 (5th Suppl.)), other than the part of that amount that may reasonably be considered to be related to an amount that is a qualified expenditure, within the meaning of subsection 9 of section 127 of that Act, and that constitutes, for the purposes of the definition of that expression, an expenditure made after 30 April 1987 and before 10 May 1996, or a proxy amount computed by reference to an expenditure incurred as salary or wages before 10 May 1996;
(b) the amount computed for the year in respect of the taxpayer under paragraph g of subsection 1 of section 37 of the Income Tax Act; and
(c) where the taxpayer is a trust or partnership, any particular amount that, under subsection 12.1 of section 127 of the Income Tax Act, is required to reduce, at the end of its fiscal period ending in the year or in a previous taxation year, the total expenditures that it may deduct under section 37 of that Act, other than the part of that particular amount that may reasonably be considered to be related to an amount that is a qualified expenditure, within the meaning of subsection 9 of that section 127, and that constitutes, for the purposes of the definition of that expression, an expenditure made after 30 April 1987 and before 10 May 1996.