Qualified Small Business (QSB) Stock Gain Exclusion: Who Can Take Advantage and How to Do It

April 20, 2026

Business Life Events

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Originally, selling stocks identified as having Qualified Small Business status was viewed as offering marginal benefit. But the last several years have seen incremental changes to how gains from the sales of these stocks have been treated. As of the most recent shift, which created a 100% exclusion with certain limitations, these stocks now offer significant opportunities for those who invest in startups and other small businesses. The sale of Qualified Small Business (QSB) stock held for more than five years is addressed under Section 1202. It excludes gains from sales, but only under highly specific criteria and limitations. Tracking the exclusion’s history, stockholders were originally limited to excluding 50% of their gains from the sale of QSB stocks. That number was increased to 75% for shares acquired after February 17, 2009 and before September 28, 2010. Even then, the exclusion was viewed with little enthusiasm, as the gains not excluded were taxed at rates that were much higher than capital gains rates. All that changed when the exclusion was increased again to 100% for shares acquired after September 27, 2010. There are important limitations to these exclusions: Most notably, for each taxable year, sellers are only permitted to exclude the greater of 10 times the aggregate adjusted bases of the QSB stock or $10 million dollars. Still, even with these limitations, the 100% exclusion has created a virtual tax-exempt gain that has inspired renewed interest in putting money into small businesses and startups. It has provided opportunities for pass-through entities like partnerships to buy and sell QSB stock at the ultimate investor level offered to noncorporate shareholders like trusts, estates and individuals, and this means that their total gain exclusion goes beyond the standard limitations. This means that each partner in a 10-partner group in which each owns 10% of the partnership’s QSB stock with $0 basis for $100 million can exclude their own share of the gain: the total qualifies because it is broken down to the ultimate investor view. Where this is a relatively simple calculation, for others the requirements of section 1202 are likely to create far greater barriers. Understanding the requirements and considerations involving a QSB Section 1202 contains many rules for being classified as a QSB, and though this article cannot cover all of them, it will point out important elements that businesses or investors thinking about their own qualifications should consider. Its most elemental criterion is that the business be a domestic C corporation whose aggregate gross assets have never exceeded $50 million through the time that the stock for which the gain exclusion is being sought was issued. Other requirements include: Gross asset test Not only is there a requirement that the domestic C corporation not have had aggregate gross assets exceeding $50 million at any point between August 10, 1993 and the time that the stock seeking the QSB exemption was issued, but that limitation holds true for the time period immediately after the stock is issued as well. This is not based on fair market value – instead, gross assets are calculated based on the tax basis of the company’s assets. Still, fair market value is used to assess circumstances involving assets other than cash or when an existing business incorporated into the small business. It’s also important to understand that if a business is a member of parent-subsidiary controlled group, all corporations are treated as a single unit when calculating total gross assets. Original issuance requirement In order to qualify for the exemption, the QSB stock shareholder must have first acquired it as an original owner, purchasing it for cash, by providing property, or providing services and obtaining it directly from either the corporation or its underwriter as a qualified shareholder. Buying the stock from another shareholder will not meet the original issuance requirement, and therefore will not qualify the holder of stock for the QSB stock gains exemption, though there are ways to get around this requirement. For example, investors could acquire a target business for the specific purpose of creating a new C corporation, and that would meet Section 1202’s criteria. Similarly, some tax-free incorporations or reorganizations that involve the exchange of QSB stock for stock of another organization may be eligible for exclusion of gains at a later point when the stock is sold. For those who acquire QSB stock as a gift or by having inherited it, the original issuance requirement will not prevent the realization of the exemption benefit and the same is true of distributions to a noncorporate partner by a partnership as long as the noncorporate partner held its partnership interest when the partnership first acquired the QSB stock. This is a complex issue and many situations – including acquiring the stock as the satisfaction of debt for equity, through cashless warrant exercises, or through convertible debt conversions – should be addressed with our office. Active business requirement The issuing corporation is required to be using at least 80% of its assets to operate one or more qualified trades or businesses (QTOB). This is gauged by value, and if more than half of a subsidiary corporation’s stock is owned by the corporation, then that ratable share must be included in the determination of the assets’ value and the percentage of assets being used for business operations. The rules state that certain fields do not qualify as a QTOB, though whether a business falls into these categories or not may be open to interpretation and can introduce a significant amount of confusion. The fields listed as not qualifying include those involved in law, health, brokerage services, accounting, engineering, financial services, actuarial science, architecture, performing arts, consulting, or athletics.

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The IRS has rolled out the inflation-adjusted mileage rates for 2026, offering taxpayers an efficient way to claim deductions for vehicle-related expenses incurred for business, charity, medical, or moving purposes. These adjustments reflect the continued economic shifts impacting car operation costs.

Effective January 1, 2026, the new standard mileage rates are established as follows:

  • Business Travel: Increased to 72.5 cents per mile, inclusive of a 35-cent-per-mile depreciation allocation. This marks a rise from the 70 cents per mile rate set for 2025
  • Medical/Moving Purposes: Reduced slightly to 20.5 cents per mile, down from 21 cents in the previous year, reflecting the variable cost considerations.
  • Charitable Contributions: Consistent at 14 cents per mile, a fixed rate unchanged for over a quarter-century.

As is typical, the business mileage rate considers the integral fixed and variable costs of automobile operation. Meanwhile, the medical and moving rates remain contingent on variable expenses as determined by the IRS study.

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It is critical to note that the One Big Beautiful Bill Act (OBBBA) held firm on disallowing moving expense deductions except for specific cases within the Armed Forces and intelligence community, marking a substantial shift since 2017.

When engaging in charitable work, taxpayers might opt for a direct expense deduction over the per-mile method, covering gas and oil costs. However, comprehensive upkeep and insurance costs are non-deductible expenses.

Business Vehicle Use Considerations: Taxpayers can alternatively compute vehicle expenses using actual costs, which might benefit from shifting depreciation rules, particularly through bonuses and first-year advantages. Keep in mind, however, reverting from actual cost calculations to standard rates in subsequent years is restricted, particularly per vehicle protocol and when exceeding four vehicles in concurrent use.

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Additionally, parking, tolls, and property taxes attributable to business can be deducted independently of the general rate, an often-overlooked advantage by many business owners.

Tax Strategies for Employers and Employees: Reimbursements based on the standard mileage framework, providing the right documentation is in place, remain tax-free for employees. Meanwhile, the elimination and continued prohibition of unreimbursed employee deductions continue, with particular exceptions offered to qualified personnel across specific occupations.

Opportunities for Self-employed Individuals: Entrepreneurs remain eligible for deductions on business-related vehicle use via Schedule C, with potential to account for business-use interest on auto loans.

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Heavy SUVs and Deduction Advantages: Heavier vehicles exceeding 6,000 pounds but under 14,000 pounds open opportunities for substantial tax deductions through Section 179 and bonus depreciation avenues. The lifecycle of such a vehicle bears implications on recapturing initially claimed deductions, urging cautious tax planning.

For professional guidance on optimizing your vehicle-related tax deductions and understanding their implications on tax strategies, contact our office in Coral Gables, Florida, where expert advice and strategic insights are just a call away.

Educator's Deduction Reform: Key Changes Under OBBBA

The One Big Beautiful Bill Act (OBBBA) introduces significant enhancements for educators' tax deductions starting in 2026, offering both strategic opportunities and planning considerations for educators who qualify. With the reinstated itemized deduction for qualified unreimbursed expenses, educators have a broader spectrum of financial relief. This is complemented by the retention of the $350 above-the-line deduction, allowing educators to maximize their tax benefits by selectively allocating expenses between these avenues.

Understanding the nuances of these changes is crucial for educators and financial advisors alike. The dual-option deduction strategy can potentially enhance tax efficiency, thereby aligning with broader financial planning goals.

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At NR CPAs & Business Advisors, based in Coral Gables, Florida, our expertise in tax preparation and planning provides invaluable support to educators navigating these changes. Our comprehensive approach, combined with personalized advice from our experienced team, ensures compliance and optimization in line with the latest tax legislations.

Given these updates, it is imperative to engage with seasoned professionals to fully leverage your deduction strategies. Contact us today to streamline your tax planning under OBBBA's new guidelines and maximize your deductions for upcoming tax years.

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