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.
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.
For 2026, QSEHRA caps tax-free reimbursements at $6,450 self-only and $13,100 family for employers under 50 FTEs, while ICHRA has no IRS cap and lets any-size employer vary contributions across 11 federal employee classes—provided the 9.96% affordability test, MEC requirement, and 90-day notice are all met.
When a C corporation converts to an S corporation, Section 1374 imposes a 21% corporate-level tax on appreciated assets disposed of during a five-year recognition period. This guide walks through NUBIG, NRBIG, the 2026 rules, a worked example, and seven planning moves to avoid a six-figure surprise.
Section 263A UNICAP forces producers and resellers to attach indirect costs — rent, supervisor wages, depreciation — to inventory rather than expense them. This guide covers the 2026 $32M small-business exemption, the simplified production and resale methods, Form 3115 and the 481(a) adjustment, and the personnel-allocation mistakes that draw IRS attention.
The Section 45B FICA Tip Credit returns 7.65% of employer payroll tax on reported tips above a frozen $5.15/hour floor for restaurants — and after OBBBA's 2025 expansion, salons, spas, and other personal-care employers can claim it on Form 8846 too.
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