California Excess Business Loss Limits for 2026: Why Your Federal and State Deductions May Differ

California's 2026 excess business loss limits differ significantly from federal rules. The FTB confirmed thresholds of $320,000 for individual filers and $640,000 for joint filers, compared with federal limits of $256,000 and $512,000. Learn how the differences affect business owners, current deductions, and future loss carryovers.