Nol Carryback 2025 Rules. They can also carry forward any remaining nol indefinitely until it's. However, if a refund is attributable to an nol carryback, a claim for refund can be filed within 3 years of the due date (including extensions) of the nol source year return.
If you have an nol, the nol can be carried over to future tax years. First, a taxpayer is allowed an election to skip over 965.