41.6. Sections 73.1 to 73.3 and 73.5 to 73.7 of the Act respecting the Government and Public Employees Retirement Plan (chapter R-10) shall apply, with the necessary modifications, to an employee who has acquired pension credit under this subdivision. Any reference to a provision of that Act is a reference to the corresponding provision of this Act. The pension amounts added under the first paragraph must be within the limits established by regulation. If not, the amounts shall be adjusted in the manner prescribed by the regulation.