7 Records to Keep From Day One if You Want to Claim QSBS Later

7 Records to Keep From Day One if You Want to Claim QSBS Later

Nobody issues you a certificate that says your stock is QSBS.

There is no IRS form that blesses it, no box the company checks, no confirmation you can file away. When you sell, you take the position on your return, and if anyone ever asks, you prove it. QSBS documentation requirements land entirely on the shareholder, years after the facts they describe.

That is the whole problem. The evidence you need was generated on the day the stock was issued, by a company that may have changed lawyers twice, migrated accounting systems, and lost the founder who remembers.

Seven records. Start the file at issuance, not at exit.

1. QSBS Documentation Requirements Start With Proof of Original Issuance

Section 1202 requires that you acquired the stock at original issuance, directly from the corporation, in exchange for money, property, or services. Stock you bought from another shareholder does not qualify, however early you bought it.

So the file starts with the paper that shows issuance: the stock purchase or subscription agreement, the board consent authorizing it, the stock ledger entry, the certificate or electronic equivalent, and the wire confirmation or other evidence of what you paid.

If you took stock for services, keep the documentation of that too, including how it was valued and reported.

This is the single easiest record to capture at the time and the most annoying to reconstruct later, because it depends on documents held by the company rather than by you.

2. Balance Sheets Immediately Before and After Issuance

The corporation's aggregate gross assets cannot exceed the statutory ceiling at any time before the issuance, and immediately after it counting the proceeds.

For stock issued on or before July 4, 2025, that ceiling is $50 million. The 2025 legislation raised it to $75 million for stock issued after that date, with inflation adjustment for later years. Which ceiling applies to you depends on your issuance date, so the date itself is part of the record.

What you want is a balance sheet as of the moment before the round closed and one immediately after, retained permanently. Gross assets here means the cash plus the adjusted basis of other property, with a special rule for contributed property, so it is not simply the number on a management report.

A company that crossed the threshold on a later round does not retroactively disqualify your earlier stock. That distinction only survives if somebody kept the earlier balance sheet.

3. Evidence of Continuous C Corporation Status

The issuer must be a domestic C corporation, and substantially all of your holding period has to sit inside that status.

Keep the certificate of incorporation and any amendments, evidence of any prior entity conversion including the conversion date, and confirmation that no S election was in effect during the relevant period.

Companies that started as an LLC and converted are the common case here, and the conversion date is the date that matters. If your stock was issued in the conversion, your clock starts there, not at the founding of the LLC, and the file should make that unambiguous.

4. Support for the Active Business and 80% Asset Tests

During substantially all of your holding period, at least 80% of the corporation's assets by value must be used in the active conduct of a qualified trade or business.

Certain businesses are excluded by statute, including services in health, law, accounting, consulting, financial services, brokerage, and performing arts, along with banking, insurance, farming, extraction, and hospitality.

Two things are worth documenting as you go. First, a plain description of what the company actually does, in operating terms, refreshed when the business changes materially. Second, the asset mix, because a company that raises a large round and parks most of it in investments can drift toward failing the 80% test while nothing about the business feels different.

The working capital rules give some room for funds held for near-term use, and the rules tighten as the company ages. The risk is real but manageable when someone is watching it, and invisible when nobody is.

5. The Corporation's Redemption History

This is the trap that catches people who did everything else right.

Redemptions by the corporation, within defined windows around your issuance, can disqualify stock entirely. Related-party redemptions carry a longer window than general redemptions, and there are de minimis exceptions that turn on dollar amounts and percentages.

The point is not that you should memorize the windows. The point is that a buyback of a departing founder's shares, eighteen months before your grant, can silently remove your stock from Section 1202, and you will not learn it from the company.

Ask the question at issuance: has the company redeemed any stock, from anyone, in the past two years? Write down the answer and keep it.

6. Your Own Basis, Holding Period, and Any Rollover

The gain you can exclude per issuer is capped at the greater of a statutory dollar amount or ten times your aggregate adjusted basis in the stock. Basis is therefore not just a cost record, it is a cap input.

Keep what you paid, the date, and anything that adjusted basis afterward. If you contributed property rather than cash, keep the valuation, because the basis rule for contributed property is not the value you assigned in the round.

If you ever roll gain into replacement QSBS under Section 1045, keep the rollover election and the dates, because that transaction carries your holding period forward and the tacking is only as good as the documentation.

For stock issued after July 4, 2025, the holding period rules changed shape: 50% exclusion at three years, 75% at four, and 100% at five, rather than a single five-year cliff. That makes the exact issuance date and the exact sale date matter more than they used to, not less.

7. A Memo Written While People Still Remember

Write two pages at issuance. What the company does, the entity history, the gross assets figure and where it came from, the redemption answer, who provided each fact, and the date.

This is the record that does the most work and the one nobody creates, because at issuance it feels like documenting the obvious.

Five years later it is not obvious. The CFO who would have known is at another company, the law firm has changed, and you are trying to reconstruct a Tuesday in 2026 from a Google Drive folder someone reorganized.

Update the memo when something material changes: a conversion, a large round, a pivot, a redemption. Ten minutes a year.

Who Helps You Stay on Top of QSBS Documentation Requirements

OLarry is a California-based private client tax practice founded in 2024, serving clients nationwide with a team of roughly 39 and CPA leadership. The firm works with high net worth and ultra high net worth individuals on tax strategy, which is the population that ends up holding QSBS and the population most likely to have several issuances across several companies.

That last part is the underrated bit. The per-issuer cap means QSBS is tracked company by company, and someone with stock in four startups has four separate files, four sets of dates, and four different rule sets depending on when each was issued.

OLarry has 7 verified client reviews on Sam's List as of 2026-09-13. Each review is submitted by an individual who identifies as a client of the firm and rates it on communication, subject-matter knowledge, and overall satisfaction. Reviews reflect those individual experiences and do not represent an endorsement by Sam's List. OLarry is a paying Sam's List member, and payment does not buy, influence, or remove reviews. Ratings and rankings are not indicative of future performance or results.

The limitation is fit and minimums. A practice built for high net worth private clients is not priced for a founder whose only asset is illiquid stock in one company, and the firm publishes income and revenue minimums on its profile. If you are pre-exit with no liquidity, the right first move may be a one-time consultation on the documentation rather than an ongoing engagement.

None of this guarantees a QSBS claim survives review. Eligibility depends on facts about the company that a shareholder does not control, and the exclusion can be lost for reasons that have nothing to do with your recordkeeping. Good records do not make bad facts good. They make good facts provable.

Frequently Asked Questions

Does the IRS certify that my stock is QSBS?

No. There is no IRS determination, form, or certificate that establishes QSBS status. The shareholder takes the position on their return when the stock is sold and carries the burden of substantiating every element if the position is examined. That is why contemporaneous records matter more here than in most tax positions.

What changed for QSBS in 2025?

For stock issued after July 4, 2025, the aggregate gross assets ceiling rose to $75 million and a tiered exclusion replaced the single five-year cliff, at 50% after three years, 75% after four, and 100% after five. Stock issued on or before that date remains under the prior $50 million ceiling and five-year rule, so issuance date is now a first-order fact.

Can I get QSBS treatment on stock I bought from a founder?

Generally no. Section 1202 requires acquisition at original issuance from the corporation. Secondary purchases from another shareholder do not qualify, regardless of how early the purchase happened or what price you paid. Limited exceptions exist for transfers by gift, at death, and from a partnership to a partner.

What if the company will not give me the balance sheet or redemption history?

Ask in writing at issuance, when the company has every reason to cooperate and the information is easy to pull. Later, how much pull you have depends on your stockholder inspection rights and the company's willingness. Founders and early employees consistently underestimate how hard this gets once they have left.

Start the file this week with whatever you already have. You can browse accountants on Sam's List if nobody is currently tracking your issuance dates.

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About the author: Kimberly Green is the cofounder of Sam's List, where business owners and high earners find vetted CPAs, financial advisors, and fractional CFOs. She's met one-on-one with 400+ financial professionals and writes from the real data behind thousands of client-advisor matches. Ask her anything about finding an accountant - she's heard it all, including the questions people are afraid to ask.