Sample Letter to Bank Informing the Death of the Account Holder. The death claim letter should be written in the formal letter format.A death claim letter format for bank is straightforward. Moreover, you just have to submit documents like a death certificate, ID proof, etc. Discover the precise steps to secure Letters of Testamentary in California. Our comprehensive guide makes the process straightforward and hassle-free. Discover the precise steps to secure Letters of Testamentary in California. Our comprehensive guide makes the process straightforward and hassle-free. Sample Letter to County Recorders . To inform the public of available services, the Board of Supervisors ordered the preparation of this Citizens Guide to County Services.