Beneficiary Designation: If you are a vested employee on the active payroll when you die, and your spouse is listed as your sole primary. All three retirement systems have options for spouses and other beneficiaries to receive benefits in the event that you (the member) die before they do.Designating a beneficiary for an employee's retirement plan assets is one of the most important financial decisions a participant will ever make. Nominated Beneficiary (Survivor) under Option B must be one of the eligible persons described in the box above. The Summary Plan Description (SPD) should include your plan's claims procedures. Usually, you fill out the required paperwork and submit it to the plan. Generally, an ERISA plan participant can select just about anyone to be their beneficiary.