An Affidavit should be used to correct mistakes on the personal information for the deceased. The death certificate must be filed or registered.ELIGIBILITY: Only an individual with personal knowledge of the matter sought to be corrected may change non-medical information on certificate. The signer must sign the document in the presence of the notary public. The Transfer on Death Affidavit must be recorded at the Recorder's Office where the property is located before the grantor dies. To file a correction for Ohio death certificates from December 20, 1908 to 1970, complete an affidavit, have it notarized and mail it to: Said deed or affidavit was recorded at. ,. Ohio as Instrument No. . That. In the body of the affidavit, describe the circumstances of the death briefly and clearly. Include details such as the cause of death and location of death.