Canada Pension Plan Regulations

6.1 (1) For the purposes of subsections 10(1) and 13(3) of the Act, the salary and wages on which a base contribution has been made for the year by an individual under a provincial pension plan is an amount equal to the aggregate of all base contributions required to be made by the individual in that year under a provincial pension plan in respect of salary and wages, divided by the base contribution rate for employees under the provincial plan for the year.

(2) For the purposes of subsections 10(1.1) and 13(3.1) and (3.2) of the Act, the salary and wages on which a first additional contribution has been made for the year by an individual under a provincial pension plan is an amount equal to the aggregate of all first additional contributions required to be made by the individual in that year under a provincial pension plan in respect of salary and wages, divided by the first additional contribution rate for employees under the provincial pension plan for the year.

(3) For the purposes of subsections 10(1.2) and 13(3.2) of the Act, the salary and wages on which a second additional contribution has been made for the year by an individual under a provincial pension plan is an amount equal to the aggregate of all second additional contributions required to be made by the individual in that year under a provincial pension plan in respect of salary and wages, divided by the second additional contribution rate for employees under the provincial pension plan for the year.