54.1. Except in the case of a pensioner under the plan provided for in this division or under the Teachers Pension Plan, an officer or a teacher, as the case may be, who has ceased to be an employee within the meaning of the plan because he has become a Member of the National Assembly may elect to become a member of the plan provided for in this division if, within 180 days of the date on which he ceased to be a Member of the National Assembly, such an officer holds pensionable employment under this plan or under the Government and Public Employees Retirement Plan, except employment contemplated in Schedule I or II to the Act respecting the Teachers Pension Plan (chapter R-11) or if, within the same period, such a teacher holds pensionable employment under the plan provided for in this division.
The Commission must receive a notice to this effect not later than 60 days after the expiry of the period referred to in the first paragraph, and the plan provided for in this division shall apply to every person who made such an election from the date on which that person held such employment.