Gather documents you need You will need: A certified copy of the death certificate. CU SoCal provides San Bernardino County with full-service personal banking services.This Agreement governs your accounts with us and related services, and replaces all prior agreements with the Credit Union regarding them. Credit Union of Southern California is available whenever you need assistance. I am designated the sole beneficiary of a credit union account. Does the estate administrator have the right to take the money? The Credit Union may require certain legal documents before releasing funds in the Account. Mortuaries will help with all arrangements for the burial or cremation. Open up to 10 different savings accounts for each of your savings goals. San Diego Credit Union Logo. Search. Menu. PAYMENTS.