By law they are to be filed with the local registrar no later than 10 days after the date of death. Get started Complete the field below so we can help you get the death verification letter.MyH2O is a Fort Worth Water program designed to improve customer engagement and utility operations through advanced technology. 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. A date of death value letter provides account balance information on the date the account owner passed away. If the petitioner dies, the applicant typically must obtain a substitute sponsor to continue to be eligible for adjustment of status. Once the Affidavit of Death is signed and notarized, you must file it with the county clerk in the county where the property is located. Affiant's Signature. DefendantsRespondents.