You may buy back the following types of prior service:
Here are some elements to consider when buying back prior pensionable service:
Please keep in mind that you must surrender any pension entitlement you may have with another employer before you can count that service as pensionable under the public service pension plan. Once you complete a Service Buyback Form, the Government of Canada Pension Centre (Pension Centre) will contact you with details concerning the surrender of your previous entitlement. Refer to the Tax Implications for additional information.
You should also remember that, if you leave the federal public service voluntarily with less than two years of continuous employment, you are only entitled to a return of your contributions paid into the public service pension plan.
Consequently, if you intend to leave within that period, you should consider whether it is in your interest to surrender the entitlement under the outside plan. This provision does not apply if your termination from the federal public service is involuntary. Consult with the if you require more information. Pension Centre
You may buy back all or part of a period of prior service. If you are buying a part of a period, in most cases, it must be for the part that occurred most recently. The can provide you with information about exceptions to this requirement. Pension Centre