To enroll in the King County Employees Deferred. Compensation Plan, go to rps.trowprice.How do I make contribution changes? A nonqualified deferred compensation plan can reduce your taxable income, but there are risks to consider. The City of Madison offers an optional Deferred Compensation 457(b) plan to permanent employees. The City provides a voluntary Deferred Compensation Program (IRS section 457 plan) for eligible City employees.