As beneficiary of a bank account do you need a death certificate to show that the owner of that account died?

Yes, as a beneficiary of a bank account, you typically need to provide a death certificate to the bank to prove that the account owner has passed away. This document is essential for the bank to process the transfer of funds or assets in accordance with the deceased's wishes or estate plan. Requirements may vary by bank, so it's advisable to check with the specific institution for their procedures.