Business Interest Deduction 2026: OBBBA Changes
How much of my business interest is deductible after the OBBBA? The IRS just refreshed its answer. In August 2026, the IRS reissued its Section 163(j) FAQs to reflect the One, Big, Beautiful Bill Act. The core rule still caps the business interest deduction — but the way you calculate the cap, who qualifies as…

