Section 77 — Canada Pension Plan: Amount of benefit payable under Act

Where, by virtue of any provision of this Act other than this section, a benefit is payable under this Act to or in respect of any contributor, notwithstanding anything in this Part except as provided in section 80, the amount of the benefit that is payable under this Act is an amount equal to that proportion of the amount of the benefit payable to or in respect of the contributor, calculated as provided in this Part without regard to this section, that the aggregate of the contributor’s total pensionable earnings, total first additional pensionable earnings and total second additional pensionable earnings attributable to contributions made under this Act, is to the aggregate of the contributor’s total pensionable earnings, total first additional pensionable earnings and total second additional pensionable earnings.