Your contributions and any earnings have the chance to grow tax deferred until you withdraw your money, generally in retirement. You must establish a Deferred Compensation account prior to making a rollover.Rollovers out of the Deferred Compensation Plan. A 457(b) plan is a tax-deferred retirement savings plan. Funds are withdrawn from an employee's income without being taxed and are only taxed upon withdrawal. Comp offers state employees a smart, simple way to save for retirement.