408. Section 85.16 of the Act respecting the Government and Public Employees Retirement Plan (chapter R-10) applies, with the necessary modifications, to a pensioner under the Pension Plan of Management Personnel who, while he or she was subject to that Act, was governed by the provisions of Division IV of Chapter V.1 of Title I of that Act and who holds pensionable employment under the Pension Plan of Management Personnel or the Government and Public Employees Retirement Plan.