Nol Carryback Rules For 2025 Turbotax. It is not separately stated on. To claim a refund of taxes for an nol carryback, taxpayers file a single tentative refund claim that covers all carryback years, or an amended return for each carryback year.

They can also carry forward any remaining nol indefinitely until it’s. Understand the nol formula, deduction calculation, and how recent changes to carryback and carryforward rules impact corporate tax planning strategies.