Canada Pension Plan — C-8 58
 of the survivor’s retirement pension, which amount is calculated as provided in paragraph 46(1)(a), without regard to subsections 46(3) to (6), and adjusted in accordance with subsection 45(2), and (B) an amount that, when added to the amount of the portion of the survivor’s retirement pension that is calculated as provided in paragraph 46(1)(a), without regard to subsections 46(3) to (6), and adjusted in accordance with subsection 45(2), is equal to the amount of a benefit of 25% of 1/12 of the survivor’s Maximum Pensionable Earnings Average for the later of the year in which the survivor first became qualified to receive the survivor’s pension and the year in which the survivor’s retirement pension commenced to be payable, adjusted in accordance with subsection 45(2) as if the benefit had commenced to be payable in the later of the year in which the survivor first became qualified to receive the survivor’s pension and the year in which the survivor’s retirement pension commenced to be payable, (ii) the amount determined by the formula A – B where A is 60% of the amount of the portion of the contributor’s retirement pension, which amount is calculated as provided in subsection (3.1), and B is the lesser of (I) 40% of A, and (II) 40% of the amount of the portion of the survivor’s retirement pension, which amount is calculated as provided in paragraph 46(1)(b), without regard to subsections 46(3.1) to (6), and adjusted in accordance with subsection 45(2), and (iii) the amount determined by the formula A – B where A is 60% of the amount of the portion of the contributor’s retirement pension, which amount is calculated as provided in subsection (3.4), and B is the lesser of (I) 40% of A, and (II) 40% of the amount of the portion of the survivor’s retirement pension, which amount is calculated as provided in paragraph 46(1)(c), without regard to subsections 46(3.1) to (6), and adjusted in accordance with subsection 45(2); or (d) in any other case, the aggregate of (i) the lesser of (A) 60% of the amount of the portion of the contributor’s retirement pension, which amount is calculated as provided in subsection (3), and (B) an amount that, when added to the amount of the portion of the survivor’s retirement pension that is calculated as provided in paragraph 46(1)(a), without regard to subsections 46(3) to (6), and adjusted in accordance with subsection 45(2), is equal to the amount of a benefit of 25% of 1/12 of the average of the Year’s Maximum Pensionable Earnings for the later of the year in which the survivor first became qualified to receive the survivor’s pension and the year in which the survivor’s retirement pension commenced to be payable, and for each of the two preceding years, adjusted in accordance with subsection 45(2) as if the benefit had commenced to be payable in the later of the year in which the survivor first became qualified to receive the survivor’s pension and the year in which the survivor’s retirement pension commenced to be payable, (ii) 60% of the amount of the portion of the contributor’s retirement pension, which amount is calculated as provided in subsection (3.1), and (iii) 60% of the amount of the portion of the contributor’s retirement pension, which amount is calculated as provided in subsection (3.4). Calculation of portion of contributor’s retirement pension (3) The amount of the portion of the contributor’s retirement pension that is to be used for the purposes of subsections (1) and (2) is an amount calculated as provided in paragraph 57(2)(a), (b) or (c), multiplied, for the purpose of calculating the monthly amount of the survivor’s pension for months commencing with the month in which (a) a survivor’s pension became payable to the survivor by reason of a disability that began after the death of the contributor, (b) the survivor reached sixty-five years of age, not having reached that age at the time of the death of the contributor, (c) the survivor’s pension under this Act or the survivor