Members must complete two beneficiary forms: one for the defined benefit component and one for the defined contribution component of their plan. Generally, an ERISA plan participant can select just about anyone to be their beneficiary.ERISA provides that a person who is an alternate payee under a QDRO generally shall be considered a beneficiary under the plan for purposes of ERISA. Ask your employer in writing for a copy of each document which explains how to designate a beneficiary under the plan. All forms are fillable and ready for download and printing. ERISA provides that a person who is an alternate payee under a QDRO generally shall be considered a beneficiary under the plan for purposes of. ERISA. Use this form to update existing or designate new beneficiary(ies) on your TIAA retirement plan. â—‹ The spouse must be the beneficiary of the participant's full benefit unless the spouse has consented to the alternative beneficiary. The Employee Retirement. Income Security Act of 1974.