For paper returns, the filer should write the word deceased, the deceased person's name and the date of death across the top. An estate administrator must file the final tax return for a deceased person separate from their estate income tax return.Probate is the legal process to distribute a person's property after they die. A transfer on death deed (TODD) is a legal document that allows a person to transfer ownership of their property after they die. The decedent's income tax obligations should be itemized during the probate process. In Texas, the deadline for filing a tax return is 9 months after the date of death. (A) a complete account of the amount of the taxes;. You will fill out the relevant paperwork, including the Petition, and the Proposed Order.