In most cases, only the personal representative of a deceased person's estate can access the deceased accounts at a financial institution. The beneficiary simply has to present a valid death certificate and proof of identity to claim their inheritance.To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. Complete this form for each applicable account as described above and submit to: PA Department of Revenue. Bureau of Individual Ta x e s. Dept. 280601. Use our Affidavit of Death form to verify the death of a family member and help with the inheritance process. Applicants must be 18 years of age or older or an emancipated minor to apply. Please complete as much information as possible.