You may be eligible to purchase credit for previous periods of service, which will result in a higher monthly allowance when you retire. If you are eligible to purchase one or more of the service credit types listed below, you should review the possible purchase with the Retirement Plan Office/Membership Section as soon as possible; significant interest penalties apply to some purchases if they are not started within a specified period. You may make your purchase in a lump sum, rollover, or by payroll deductions.
If your purchase is calculated using the Full Actuarial Costing method, the Retirement Plan Office is required to complete a “true-up” calculation of your contract at your retirement.
Purchase of Dept or City Service Application Form Purchase of Other Governmental Service Application Form