To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. Certified or photocopy of Decedent's Death Certificate. 3.You should produce the concerned Bank branch the death certificate from municipal authority as proof of that persons demise. Estate Forms, Form 1.0 - Surviving Spouse, Children, Next Of Kin, Legatees and Devisees, Form 2.0 - Application to Probate Will, Filing must include: To close a bank account after death, you must completely liquidate its funds. The letters cite reasons for closure such as relocating, no longer needing the account, job changes, and death of an account holder.