The Retirement Quick Guide will walk you through what to expect as your retirement application is processed and your benefits are determined. Pension is payable on retirement after attaining the age of compulsory retirement (superannuation) or in advance of this age under certain circumstances.Before beginning work to complete the application for retired pay, we recommend Reservists and. Guard members visit the Air Reserve Personnel. If you have not reached your 20 years covered Law Enforcement or Fire Fighter service and reach the age 57, you must retire in the month you reach your 20 years. We Do Retirement Right. Withdrawal eligibility for Roth accounts are the same as for traditional Plan accounts, separation of service or age 70 ½, whichever is later. 137 What is the Federal. Employee Retirement. Section 13.01 GreatWest Retirement Services is required to enforce these rules.