How to choose, designate and change beneficiaries. Generally, an ERISA plan participant can select just about anyone to be their beneficiary.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. The most important facts they need to know about their retirement and health benefit plans including plan rules, financial information, and documents. The state offers a systematic savings program that provides income to retirees and their families. â—‹ The spouse must be the beneficiary of the participant's full benefit unless the spouse has consented to the alternative beneficiary. Completing the "Designating Beneficiaries" form and mailing it to. TIAA-CREF, P.O. Box 1259, Charlotte, NC 28201. 1. Gather required documents such as your proof of birth.