A reverse 1031 exchange lets a real estate investor close on a replacement property before selling the relinquished one by parking title with an Exchange Accommodation Titleholder under Revenue Procedure 2000-37's safe harbor. The taxpayer must identify the relinquished property within 45 days and complete the swap within 180 days, with no extensions. EAT fees typically run $5,000 to $15,000 above a forward exchange, so the deferred gain needs to be large enough to justify the cost.
Schedule M-1 and M-3 reconcile a corporation's GAAP book income to taxable income. This guide explains the $10M and $50M asset thresholds, permanent versus temporary differences, and the recurring reconciling items — depreciation, meals, federal tax expense, bad debt reserves, and stock-based compensation — that draw IRS scrutiny.
OBBBA permanently restored the EBITDA-based ATI calculation for Section 163(j) starting in 2025, expanding deductible business interest for capital-intensive companies. A guide to the 30% cap, the ~$31M small business exemption, the 35% syndicate trap, EBIE allocations from partnerships, S-corp differences, and Form 8990 reporting.
Section 280F caps first-year depreciation on passenger autos at $20,300 in 2026, but SUVs and trucks rated above 6,000 lbs GVWR escape those limits and can combine a $32,000 Section 179 deduction with 100% bonus depreciation. A practical guide to the 2026 numbers, the heavy-vehicle and pickup carve-outs, the 50% business-use cliff, and the mileage-log standards an IRS auditor expects.
How short-term rentals sit outside the Section 469 passive loss rules, what the seven-day average and material participation tests actually require, and how a six-figure W-2 earner can use cost segregation and 100% bonus depreciation to legally offset wage income.
Form 3115 lets U.S. taxpayers change accounting methods and use a Section 481(a) adjustment to recover missed deductions or correct multi-year errors on a single current-year return, without amending prior years.
Section 469 makes rental losses passive by default, so most cannot offset W-2 income. This guide covers the $25,000 special allowance and its $100k–$150k MAGI phase-out, the 750-hour and 50% real estate professional tests, the 1.469-9(g) aggregation election, audit-tested time-log practices, and how suspended losses unlock on disposition.
Section 1031 lets real estate investors defer capital gains and depreciation recapture by swapping investment properties, but only when the 45-day identification window, 180-day closing deadline, qualified intermediary rules, and post-TCJA like-kind requirements are followed exactly.
A cost segregation study reclassifies a building's components into shorter MACRS lives, unlocking the 100% bonus depreciation permanently restored by the One Big Beautiful Bill Act of July 2025. On a $1M residential rental, that swings first-year tax savings from roughly $10,700 to roughly $90,600—provided the investor clears IRC §469 passive activity loss limits.
A category-by-category guide to every major small business tax deduction for 2026, including the $2,560,000 Section 179 cap, 60% bonus depreciation, the 68.5-cent mileage rate, the 50% meals rule, and the documentation needed to defend each one on audit.
