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 a copy of the deceased person's tax return, submit Form 4506, Request for Copy of Tax Return. There's a fee for each return you request. The return must report all income up to the date of death and claim all eligible credits and deductions. For paper returns, the filer should write the word deceased, the deceased person's name and the date of death across the top. We issue a CP01H notice when the IRS receives a tax return that contains a Social Security number (SSN) for an account that we locked. If you are asked to complete Form W-9 but do not have a TIN, write. File Form 706 for the estates of decedents who were either. U.S. citizens or U.S. residents at the time of death.