R-9 - Act respecting the Québec Pension Plan

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218.4. Any change to the pension plan that increases the cost of benefits under the base plan or the additional plan must be accompanied by an increase in the contribution rates for those plans to cover the additional cost.
The increase in the contribution rates is permanent if the cost increase is related to participation in the plan after the coming into force of the change.
If the cost increase is related to participation in the plan before the coming into force of the change, a temporary increase must be added for a period of not more than 15 years.
2018, c. 22018, c. 2, s. 92.