21. The years and parts of a year of service that would be redeemed or credited for the purposes of eligibility for and computation of a person’s pension, or both at the same time, under the Act respecting the Government and Public Employees Retirement Plan (chapter R-10), shall be recognized under this plan for the purposes set out in the said Act, and section 74 of the said Act applies.
The years and parts of a year giving entitlement to the increase provided by section 20 shall be recognized for the purposes of eligibility for the pension.