
The QBI Deduction Cliff in 2026: What Happens When Section 199A Expires and How Pass-Through Owners Model Life After the 20% Deduction
199A's 20% QBI deduction sunsets after 2025 as written — model the cliff by your actual capped deduction and marginal rate, revisit salary and retirement timing, and track W-2/UBIA for a retroactive extension.










