How the IRS Section 183 nine-factor test decides whether your side activity's losses are deductible in 2026, what the three-of-five safe harbor really means, and what 2025's Young v. Commissioner reveals about the records that win in Tax Court.
How the 10-digit Harmonized Tariff Schedule, Chapter 99 add-ons, and Section 301 layers assign legal duty liability to the importer of record—not the broker—and how a prior disclosure under 19 U.S.C. § 1592(c)(4) can cap penalties at interest if you find errors before CBP audits.
How IRC Section 453 and Form 6252 let sellers spread capital gain on seller-financed real estate or business sales across the years payments arrive — including the gross profit percentage formula, the depreciation recapture trap, the Section 453A interest charge on installment balances above $5 million, and when to elect out.
Section 6501 gives the IRS three years from filing to assess tax — but the window stretches to six years for omissions over 25% of gross income or basis overstatements, and never closes at all for unfiled returns, fraud, or undisclosed foreign reporting. A practical guide to ASED, refund claim windows under Section 6511, the 10-year CSED, Form 872 consents, and what records to keep.
Beginning January 1, 2026, SECURE 2.0 forces employees with prior-year FICA wages above $150,000 to make 401(k) catch-up contributions on a Roth basis—$8,000 standard, $11,250 for ages 60–63—with no pre-tax option. Here is exactly who is affected, what it costs in real dollars, and the steps to take before the first paycheck of 2026.
Marketplaces like Amazon, Etsy, and Shopify collect sales tax for you, but registration, zero returns, and economic nexus tracking are still your responsibility. A 2026 compliance routine for multi-channel sellers, with state thresholds and the six mistakes that trigger penalties.
The One Big Beautiful Bill Act made the Section 45S paid family and medical leave credit permanent, lowered the eligibility threshold to six months, and added a premium-based method that lets small employers claim 12.5%–25% of PFML insurance premiums even when no leave is taken.
Small CPA firms must implement PCAOB QC 1000 by December 15, 2026, alongside AICPA SQMS No. 1, already effective since December 2025. A practical guide to the eight components, four required roles, Form QC reporting, and a five-phase plan to reach compliance.
A practical guide to phantom stock and SARs for private companies — how the plans work, why Section 409A's 20% penalty is the rule that breaks most informal arrangements, how ASC 718 liability accounting affects EBITDA, and when synthetic equity beats options, RSUs, or an ESOP.
A 30-day post-filing playbook for small business owners — read last year's return line by line, log friction points while they hurt, recalculate quarterly estimates against real-time P&L, fix one workflow per pain point, and evaluate S-corp election, Solo 401(k), Section 179, and Augusta Rule moves while your CPA is still in fresh-mind mode.
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