15. To redeem his years and parts of a year of past service, a person must pay an amount determined according to the tariff of premiums appearing in Schedule II as if it were a pension credit equal, for each year of service, to 2% of the annual pensionable salary of the person as of 1 July 1973 or, if he has no pensionable salary on that date, his pensionable salary on the nearest date.
For the purpose of determining the amount referred to in the first paragraph, the pension credit is, for each year of service, reduced by 0.7% of the maximum pensionable earnings, within the meaning of the Act respecting the Québec Pension Plan (chapter R-9), for the year of the annual pensionable salary concerned.