An income tax return must be filed for a decedent if his/her gross income for the year of death was over the filing threshold based on the person’s filing status at the time of death. A surviving spouse may be able to file a joint tax return with the decedent.
A capital loss that is not deductible because it exceeds the annual $3,000 capital loss ceiling. A carryover loss may be deducted from capital gains of later years plus up to $3,000 of ordinary income.