If transfer involves a deceased owner and owner’s estate has been or will be probated, then the individual signing on behalf of deceased owner’s estate must provide copy of letters testamentary or letters of administration issued by the probate court.
If transfer involves a deceased owner and owner’s estate has not and will not be probated, then the individual signing on behalf of deceased owner’s estate must provide a Next of Kin Affidavit (MVT 5-6) and a copy of the deceased owner’s death certificate.
See Administrative Rule: 810-5-75-.09 Transfer of Title For A Vehicle From A Deceased Owner, for more details.