#business-structure
Business Structure
Choose and optimize your business entity for tax and legal advantages
Section 414 Controlled Group and Affiliated Service Group Rules: How Multiple Businesses Can Sabotage Your 401(k)
Section 414(b), (c), and (m) treat related businesses as one employer for retirement-plan testing. This guide explains controlled-group and affiliated-service-group rules, the spousal and minor-child attribution traps, and the steps multi-business owners should take before opening a 401(k).
Section 707 Disguised Sale Rules: When a Partnership Contribution Becomes a Taxable Sale
A disguised sale under Section 707(a)(2)(B) collapses a partnership contribution and a related cash distribution into a taxable sale. Transfers within two years are presumed a sale; the deemed-sale fraction equals consideration received divided by property FMV.
Section 7874 Anti-Inversion Rules: 60%/80% Ownership Tests and the Substantial Business Activities Safe Harbor
Section 7874 imposes a 10-year inversion-gain floor when former U.S. shareholders own 60-80% of a new foreign parent and reclassifies the parent as a domestic corporation at 80%. The only escape is the substantial business activities safe harbor, which requires clearing a 25% bright-line threshold on employees, tangible assets, and gross income in the foreign country.
Section 7874 Anti-Inversion Rules: Why a Foreign Parent Does Not Always Mean a Foreign Tax Bill
Section 7874 treats a foreign parent as a U.S. corporation when former U.S. owners hold 80% or more, and penalizes inversion gain for 10 years at 60-80%. The substantial business activities safe harbor requires 25% of employees, assets, and income in the foreign country.
Subchapter T Patronage Dividends Explained: How Co-ops Avoid Double Tax, Issue Qualified and Nonqualified Written Notices of Allocation, and Report Member Distributions on Form 1099-PATR
How Subchapter T lets U.S. cooperatives deduct patronage dividends and avoid corporate double tax — covering the 20% cash floor for qualified written notices of allocation, the post-2017 shift toward nonqualified treatment, per-unit retains, Form 1099-PATR box-by-box reporting, Section 199A(g) for specified ag co-ops, and the recordkeeping that turns a deduction into a defensible one.
Personal Holding Company Tax Under Section 541: The 20% Surtax That Quietly Ambushes Closely-Held C Corporations
Section 541 layers a 20% federal surtax on closely-held C corporations that fail both the stock ownership and 60% passive income tests. This guide walks through Schedule PH mechanics, the dividends-paid deduction, and four ways — cash, throwback, consent, and deficiency dividends — to zero out the tax before it hits.
Section 199A QBI Aggregation Election Under Reg 1.199A-4: How Pass-Through Owners Combine Commonly Controlled Trades or Businesses to Beat the W-2 Wage and UBIA Limits
The Section 199A aggregation election under Reg 1.199A-4 lets pass-through owners combine commonly controlled trades or businesses before applying the W-2 wage and UBIA of qualified property limitation. This guide walks through the five eligibility tests, the Form 8995-A Schedule B disclosure, the irrevocable consistency rule, and when pooling QBI across an operating-and-leasing or multi-entity structure actually unlocks more deduction.
Section 355 Tax-Free Corporate Spinoffs: How to Split Up a Business Without Triggering a Single Dollar of Federal Tax
A breakdown of Section 355 of the Internal Revenue Code — the four statutory tests, three judicial doctrines, and the anti-Morris Trust two-year trap — illustrated with the GE, 3M Solventum, and Kellanova spinoffs.
Form 2553 Late S-Corp Election: How Rev. Proc. 2013-30 Cures Missed Deadlines Without PLR Fees
A practical walkthrough of how Revenue Procedure 2013-30 lets businesses cure a missed Form 2553 S-corp election within three years and 75 days — no $3,500+ private letter ruling fee, no negotiation, just a checklist and a well-written statement.
Corporate Transparency Act in 2026: FinCEN BOI Filing Rules After the Domestic Exemption
FinCEN's March 2025 interim final rule narrowed the Corporate Transparency Act so U.S.-formed entities no longer file BOI reports, but foreign-formed entities registered in U.S. states still must file within 30 days, and New York's LLC Transparency Act took effect January 1, 2026 for foreign LLCs authorized to do business there.
Fiscal Sponsorship Explained: Run a Tax-Deductible Charitable Project Without Forming Your Own 501(c)(3)
A practical guide to fiscal sponsorship — how Model A (9–15% fees) and Model C (4–10% fees) differ, how donations flow legally, what an agreement must cover, and when a project should graduate to its own 501(c)(3).
Series LLC Structure: Master LLC, Internal Liability Walls, and When to Use It
A 2026 guide to the Series LLC: how a single master entity can hold multiple internally-isolated series, which states recognize the structure (Florida joins via SB 316 on July 1, 2026), how the IRS taxes each series, the bookkeeping discipline required to keep the liability walls intact, and when separate traditional LLCs remain the safer choice.