If you retire or separate and you're age 73 or older, you must take your RMD in the year in which you retire or separate. The CalPERS 457 Plan provides employees a lowcost, convenient way to save for retirement through payroll deductions.Some deferred compensation plan examples include a 401(k), 403(b), Keogh plan, or SEP IRA. The Voluntary 457 Deferred Compensation plan provides a convenient way for City employees to save money for retirement with pre-tax earnings.