Income Tax Act — I-3.3 (a)
adjusted cost basis , at any time to a policyholder of the policyholder’s interest in a life insurance policy, means the amount determined by the formula (A + B + C + D + E + F + G + G.1) – (H + I + J + K + L + M + N + O) where A is the total of all amounts each of which is the cost of an interest in the policy acquired by the policyholder before that time but not including an amount referred to in the description of B or E, B is the total of all amounts each of which is an amount paid before that time by or on behalf of the policyholder in respect of a premium under the policy, other than amounts referred to in clause 148(2)(a)(ii)(B), in subparagraph (iii) of the description of C in paragraph (a) of the definition proceeds of the disposition or in subparagraph (b)(i) of that definition, C is the total of all amounts each of which is an amount in respect of the disposition of an interest in the policy before that time that was required to be included in computing the policyholder’s income or taxable income earned in Canada for a taxation year, D is the total of all amounts each of which is an amount in respect of the policyholder’s interest in the policy that was included by virtue of subsection 12(3) or section 12.2 or of paragraph 56(1)(d.1) of the Income Tax Act , chapter 148 of the Revised Statutes of Canada, 1952, in computing the policyholder’s income for any taxation year ending before that time or the portion of an amount paid to the policyholder in respect of the policyholder’s interest in the policy on which tax was imposed by virtue of paragraph 212(1)(o) before that time, E is the total of all amounts each of which is an amount that is in respect of the repayment, before that time and after March 31, 1978, of a policy loan and that does not exceed the amount determined by the formula, E.1 – E.2 where E.1 is the total of (a) the proceeds of the disposition, if any, in respect of the loan, (b) if the policy is issued after 2016 (and, in the case where the particular time at which the policy is issued is determined under subsection (11), the repayment is at or after the particular time), the portion of the loan applied, immediately after the loan, to pay a premium under the policy as provided for under the terms and conditions of the policy (except to the extent that the portion is described in subparagraph (i) of the description of C in paragraph (a) of the definition proceeds of the disposition in this subsection), and (c) the amount, if any, described in the description of J in this definition (but not including any payment of interest) in respect of the loan, and E.2 is the total all amounts each of which is an amount in respect of a repayment, of the loan, referred to in clause (2)(a)(ii)(B) or deductible under paragraph 60(s) of this Act or paragraph 20(1)(hh) of the Income Tax Act , chapter 148 of the Revised Statutes of Canada , 1952 (as it applied in taxation years before 1985), F is the amount, if any, by which the cash surrender value of the policy as at its first anniversary date after March 31, 1977 exceeds the adjusted cost basis (determined under the Income Tax Act , chapter 148 of the Revised Statutes of Canada, 1952, as it would have read on that date if subsection 148(8) of that Act, as it read in its application to the period ending immediately before April 1, 1978, had not been applicable) of the policyholder’s interest in the policy on that date, G is, in the case of an interest in a life annuity contract, as defined by regulation, to which subsection 12.2(1) applies for the taxation year that includes that time (or would apply if the contract had an anniversary day in the year at a time when the taxpayer held the interest), the total of all amounts each of which is a mortality gain, as defined by regulation and determined by the issuer of the contract in accordance with the regulations, in respect of the interest immediately before the end of the calendar year ending in a taxation year commencin