Sample Letter to Bank Informing the Death of the Account Holder. The death claim letter should be written in the formal letter format.I need to write to several organisations including banks, insurance and mortgager company to inform them of my partners death. Include all unreported income the person earned up to their date of death. Draft a notification letter. Utilize SCDCA's sample letter for notifying the credit bureaus of the death or draft a letter containing the following information:. If joint owner, it's already yours. Just get the bank a death certificate so they can remove the deceased's name. Sample Letter – Asking for a debt write-off when someone is deceased. If you receive this form in a small claims case, contact a lawyer.