Wage employees can complete this form to enroll in the Commonwealth of Virginia 457 Deferred Compensation Plan. Nonqualified deferred compensation arrangements allow employers to reward selected executives without taking on the administrative burdens of qualified plans.Learn more about why enrolling in the COV 457 Plan can help you build retirement security. A nonqualified deferred compensation plan can reduce your taxable income, but there are risks to consider. Deferred compensation is a financial arrangement where employees can elect to receive a portion of their income at a later date, typically during retirement. The Commonwealth of Virginia 457 Deferred Compensation Plan (COV 457) offers you the opportunity to save for retirement through pre-tax payroll deductions. The maximum you can contribute is up to 100 percent of includible compensation.