You'll need the person's Social Security number and certified copies of their death certificate for most agencies and programs. Social Security and Medicare.You will need to provide a certified copy of the death certificate, a copy of your identification, and proof of your authority over the estate (e.g. A letter indicating that there are sufficient funds in the Estate to pay funeral costs may be required. Keep all contracts and receipts from the funeral home. 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:. Sample Letter – Asking for a debt write-off when someone is deceased. There is no specific letter template you need to use. A valid governmentissued ID. The death certificate of the account holder.