File the final income tax returns of a deceased person for current and prior years, pay any balance due and claim the refund. File an estate income tax return.For paper returns, the filer should write the word deceased, the deceased person's name and the date of death across the top. If filing a joint return and both taxpayers are deceased, complete a. • Or mail them to us at the Ohio Department of Commerce, Division of Unclaimed Funds. 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 should also complete and file with the final return a copy of Form 1310, Statement of Person Claiming Refund Due a Deceased Taxpayer. Statement of Person Claiming Refund Due a Deceased Taxpayer. More In Forms and Instructions.