Does my service business qualify?

Generally, no. The law specifically excludes businesses in health, law, engineering, architecture, accounting, consulting, athletics, financial services, and any business where the principal asset is the reputation of its employees.

What if I sell before 5 years?

It depends on when your stock was issued. For stock issued on or before July 4, 2025, selling before 5 years generally means you owe tax on the full gain. For stock issued after July 4, 2025, the OBBBA added a tiered exclusion: 50% of the gain is excluded after a 3-year hold and 75% after a 4-year hold, with the full 100% exclusion still requiring 5 years. Either way, if you've held the stock for at least 6 months, a Section 1045 rollover may let you reinvest the proceeds into another QSBS company to defer the gain and keep the clock running.

Is there a limit on how much gain I can exclude?

Yes, and the cap depends on your acquisition date. For stock issued on or before July 4, 2025, the exclusion is capped at the greater of $10 million or 10 times your original basis in the stock. For stock issued after July 4, 2025, the OBBBA raised the dollar cap to the greater of $15 million (indexed for inflation starting with tax years beginning after 2026) or 10 times basis. For most founders with low basis, the flat dollar cap is the one that applies.

What did the OBBBA change for QSBS?

Three big things, all for stock issued after July 4, 2025: (1) a tiered exclusion that starts at 50% after 3 years and 75% after 4 years instead of all-or-nothing at 5 years, (2) a per-issuer gain cap raised from $10 million to $15 million with inflation indexing, and (3) a corporate gross-asset ceiling raised from $50 million to $75 million with inflation indexing, which lets larger startups issue qualifying stock. Stock issued on or before July 4, 2025 stays under the old rules.

Does my pre-2025 stock get the new rules?

No. Stock issued on or before July 4, 2025 keeps the old rules: the 5-year all-or-nothing holding requirement, the greater-of-$10-million-or-10x-basis cap, and the $50 million gross-asset test. The new tiered exclusion, $15 million cap, and $75 million asset threshold only apply to stock acquired after July 4, 2025. The issuance date of each block of stock controls, so a founder can hold both old-rule and new-rule shares in the same company.

Will this increase my audit risk?

Aggressive strategies attract more attention, but risk is managed through clean documentation, correct elections, and realistic expectations—not by avoiding strategies altogether.

Can I undo this later if my situation changes?

Some elections and structures are easy to change; others are sticky. We always look at your multi-year path—career changes, moves, exits—before deciding how far to go with QSBS (1202).

How long does implementation usually take?

It depends on complexity, but most strategies are modeled and structurally implemented over a few weeks, then monitored and refined over the following 12–24 months.

Advanced

Sell A Business And Exclude Huge Capital Gains.

QSBS rules can exclude a large portion of gain on qualifying C-Corp stock. The catch: you must plan years in advance and meet strict requirements.

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A guide by Taxstra Tax & Accounting — CPA-led tax strategy for business owners

Written by Bryan Martin, CPA, Managing Partner and Founder of Taxstra. Last updated July 10, 2026.

Quick answer: Section 1202 lets founders and early investors exclude up to 100% of the capital gain on qualified C corporation stock from federal tax. Which rules apply depends on when your stock was issued. Stock issued on or before July 4, 2025 follows the classic rules: a 5-year holding requirement and a cap at the greater of $10 million or 10x basis. Stock issued after July 4, 2025 gets the new OBBBA rules: a tiered 50%/75%/100% exclusion at 3, 4, and 5 years, a $15 million cap, and a $75 million company asset limit.

Your Guide

01Why This Strategy Exists 02What The OBBBA Changed 03The Core Rules You Can't Ignore 04Real-World Application 05Related Strategies & Resources 06FAQs

Why This Strategy Exists

The thinking behind the Section 1202 exclusion

Every major tax strategy is just the government's way of paying you to behave in a certain way—provide housing, hire people, save for retirement, or structure your business cleanly.

QSBS (Section 1202) is designed for situations like yours—high income, real dollars at stake, and enough complexity that a generic tax return won't cut it.

Key Insight

Qualified Small Business Stock (QSBS) allows founders and early investors to exclude up to 100% of their capital gains from federal tax. The cap is the greater of $10 million or 10x basis for stock issued on or before July 4, 2025, and the greater of $15 million or 10x basis for stock issued after that date.

Watch Out

This strategy gets thrown around online as a magic bullet. The reality: the IRS is very specific about who qualifies, what documentation is needed, and how it must be reported.

Most of the messes we clean up come from half-implemented versions—no logs, no elections, no support—and big deductions that fall apart under scrutiny.

Taxstra CPA Tip

We don't treat this as a party trick. We treat it as an engineering project: understand your situation, model the numbers, then build a checklist so every requirement is met intentionally.

That includes time logs, elections, entity structure, coordination with attorneys or cost segregation firms when needed, and clear expectations for how the strategy evolves over time.

What The OBBBA Changed

New rules for stock acquired after July 4, 2025

The One Big Beautiful Bill Act (OBBBA), signed July 4, 2025, is the biggest expansion of Section 1202 since 2010. The new rules apply only to stock acquired after the enactment date. Stock issued on or before July 4, 2025 stays under the classic rules, so many founders now hold a mix of old-rule and new-rule shares.

Rule	Stock issued on or before July 4, 2025	Stock issued after July 4, 2025
Holding period and exclusion	All or nothing: 100% exclusion only after a 5-year hold (for stock acquired after September 27, 2010; older stock gets 50% or 75%)	Tiered: 50% exclusion at 3 years, 75% at 4 years, 100% at 5 years
Per-issuer gain cap	Greater of $10 million or 10x your basis in the stock	Greater of $15 million (indexed for inflation after 2026) or 10x basis
Corporate gross-asset ceiling	$50 million at all times before and immediately after issuance	$75 million, indexed for inflation starting in 2027

The tiered exclusion is the practical headline. Under the old rules, selling at year 4 meant zero exclusion. For new-rule stock, a founder who sells at year 3 excludes 50% of the gain and one who sells at year 4 excludes 75%, which changes how you negotiate exit timing. On a $10 million gain, a year-4 sale of new-rule stock shields $7.5 million from federal capital gains tax instead of nothing.

Watch Out

Not every state conforms to Section 1202. California is the big one: it provides no QSBS exclusion at all, so a California resident can exclude 100% of a gain federally and still owe full state tax on it at rates up to 13.3%. A few other states, including Pennsylvania, Alabama, and Mississippi, also decouple. Residency and timing planning around an exit is part of the strategy, not an afterthought.

Taxstra CPA Tip

If you have held QSBS for more than 6 months but have not reached an exclusion tier, Section 1045 lets you roll the proceeds into replacement QSBS within 60 days and defer the gain, with your original holding period carrying over. It is the pressure-release valve when an acquisition arrives before your clock runs out.

The Core Rules You Can't Ignore

How it works

Every strategy has a handful of non-negotiables. Get these right, and you're usually fine. Miss them, and no amount of clever structuring will save the deduction.

Requirement	What We Check
Original Issuance	You must acquire the stock directly from the corporation at original issuance, for money, property, or services. Stock bought from another shareholder on the secondary market does not qualify.
C Corporation Only	The issuer must be a domestic C corporation when the stock is issued and during substantially all of your holding period. S corporation and LLC interests do not qualify, which is why entity choice years before an exit matters so much.
Gross-Asset Test	The corporation must have aggregate gross assets of $50 million or less (stock issued on or before July 4, 2025) or $75 million or less (stock issued after July 4, 2025) at all times before and immediately after issuance.
Qualified Trade or Business	At least 80% of assets must be used in an active qualified business. Service fields like health, law, accounting, consulting, financial services, and any business whose principal asset is employee reputation are excluded, along with banking, farming, hotels, and restaurants.
Holding Period	Five years for the full exclusion. Stock issued after July 4, 2025 can also earn a partial exclusion at 3 or 4 years. Documentation of acquisition dates, basis, and the corporate-level tests at issuance is what makes the exclusion survive an audit.

Real-World Application

What this looks like for an actual client

Case study: how QSBS (1202) looked in practice. We walk through an anonymized client scenario where QSBS (1202) made sense—income levels, entities, timing, and the exact implementation steps we took.

The important part isn't just the savings. It's understanding why it fit their situation and how we built guardrails so it would hold up years later.

The numbers & the trade-offs. We show the actual tax impact, what changed in their cash flow, and what they had to commit to in terms of time, record-keeping, or complexity.

A good strategy isn't just about the current-year refund. It's about whether the savings justify the ongoing work it adds to your life.

Wealth Strategy Hub — all wealth-building and exit-planning strategies in one place.
Entity Structure — the C-Corp vs. S-Corp vs. LLC decision that determines QSBS eligibility.
Equity Compensation — planning for founders and early employees holding stock.
83(b) Election Guide - locking in low basis on restricted founder stock, which starts your QSBS holding clock early.
Tax Services For Startups - how we work with founders from formation through exit.
Tax-Loss Harvesting — managing the rest of your investment portfolio around an exit.
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FAQs

Qualified Small Business Stock (QSBS) · Section 1202 FAQ

We look at your income mix, time capacity, state situation, and risk tolerance. In many cases, simpler planning provides a better ROI with less complexity. If this strategy doesn't clear the bar, we'll tell you that directly.

Want To See If QSBS (1202) Fits You?

In 30 minutes, we can usually tell you whether this strategy is worth pursuing, what documentation you'd need, and how it would interact with everything else in your financial life.

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