Sign up and manage your deferred compensation retirement account. The County of Riverside offers a voluntary Deferred Compensation Plan to assist employees in meeting their financial goals in retirement.Deferred Compensation is not a savings account. Deferred compensation plans are designed for state and municipal workers, as well as employees of some tax-exempt organizations. Future benefits from the 457(b) Plan will reflect the amount of a participant's voluntary salary deferral contributions plus earnings. Vesting is immediate. How do I set up RMDs?