Or complete the paper form (Beneficiary Designation) and mail it to DRS. Obtain the necessary forms for a deferred compensation agreement, including the employee's acknowledgement of the agreement and an IRS Form W-4P.A deferred compensation agreement is an agreement between a company and an employee that withholds paying some of the employee's salary. Use this form only to enroll in the Washington. State Deferred Compensation Program, a 457(b) plan with pretax and Roth contribution options. Employees agree with their employer to defer a portion of their salary or bonuses. Each Employee who is making Deferrals shall, except as provided below, be deemed to have changed his or her Employee Salary.