Pima County offers two voluntary deferred compensation retirement plans. How do I make contribution changes?A nonqualified deferred compensation plan can reduce your taxable income, but there are risks to consider. 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 Funds are withdrawn from an employee's income without being taxed and are only taxed upon withdrawal. This article initially provides a brief summary of the timing rules for income tax withholding applicable to 457(b) and 457(f) plans. Future benefits from the 457(b) Plan will reflect the amount of a participant's voluntary salary deferral contributions plus earnings. Vesting is immediate. The Florida Deferred Compensation Plan is offered to all State of Florida Government Employees. This includes OPS employees, employees of the State.