Only Certain Trusts Qualify
An S corporation can have only eligible shareholders, and most trusts are not eligible. Put your stock in the wrong one and the company loses its S election and is taxed as a C corporation, for every owner. The trusts that work:
- A grantor trust (taxed to you while you live), which is what your revocable living trust is.
- A QSST (Qualified Subchapter S Trust).
- An ESBT (Electing Small Business Trust).
- Your estate, during a reasonable administration period, and a testamentary trust for up to two years.
The Trap: It Springs at Death
Here is what owners miss. Your revocable trust is a grantor trust while you are alive, so it holds the stock cleanly. But a trust stops being a grantor trust the moment you die. After death the trust can usually hold the stock for up to two years; to keep the S election alive past that, the trust (or the subtrusts that receive the stock) must qualify and make a QSST or ESBT election, generally within 2.5 months of the transfer. Miss it, and the S election terminates, turning the company into a C corporation for everyone. The documents looked fine while you were alive, which is exactly why the trap is so common.
QSST vs ESBT
| QSST | ESBT | |
|---|---|---|
| Beneficiaries | One income beneficiary (U.S. citizen/resident) | Multiple beneficiaries allowed |
| Income | All income distributed to the beneficiary | Can accumulate income |
| Tax on the S portion | At the beneficiary’s rate | At the top federal rate |
| Who elects | The beneficiary | The trustee |
| Best for | A single-beneficiary trust, lower tax | A discretionary or multi-beneficiary trust, flexibility |
A trust can sometimes be drafted to allow either election, so the family can choose at the right time.
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Beyond death, watch for: a shareholder marrying a non-resident alien or losing U.S. citizenship or residency; stock landing in an ineligible trust or with a foreign person; a second class of stock (different voting is fine, different distribution or liquidation rights are not); and a QTIP or marital trust that is not drafted to run like a QSST. Each can convert the company to a C corporation, for all owners, often before anyone notices.
If the Election Was Blown
There is relief, at a cost. For a genuinely inadvertent termination, the IRS can grant relief under a simplified procedure (Rev. Proc. 2013-30) within roughly three years, or through a private letter ruling under Section 1362(f), which works but commonly runs $40,000 to $50,000 plus fees. The far cheaper path is drafting the trust correctly now. For owners who want outside investment or to give a key employee equity (which a plain S corp cannot do), restructuring into a holding-company structure can solve it.
Frequently Asked Questions
Can a Trust Own S-Corporation Stock?
Only certain trusts can. An S corporation can have only "eligible" shareholders, and most trusts are not on the list. The ones that work are a grantor trust (taxed to the living owner, which is what your revocable living trust is), a Qualified Subchapter S Trust (QSST), and an Electing Small Business Trust (ESBT). An estate can hold the stock during a reasonable administration period, and a testamentary trust for up to two years. Put S-corp stock into the wrong trust, and the corporation loses its S election and is taxed as a C corporation, for every owner.
What Happens to My S-Corp Stock When I Die?
Your revocable trust was a grantor trust while you were alive, which is fine. The problem is that a trust stops being a grantor trust the moment you die. After death, the trust can usually hold the stock for up to two years, but to keep the S election going past that, the trust (or the subtrusts that receive the stock) must qualify and make a QSST or ESBT election, generally within 2.5 months of the transfer. Miss the deadline and the company’s S election terminates. This is the trap most owners never see, because the documents looked fine while they were alive.
QSST vs ESBT: What’s the Difference?
A QSST can have only one income beneficiary (a U.S. citizen or resident), must distribute all of its income to that beneficiary, and is taxed at the beneficiary’s rate; the beneficiary makes the election. An ESBT is more flexible, it can have multiple beneficiaries and accumulate income, so it suits a discretionary or sprinkle trust, but the S-corporation portion is taxed at the top federal rate, which can cost more if the beneficiaries are in lower brackets. The trustee makes the ESBT election. Which one fits depends on your beneficiaries and your goals; a trust can sometimes be drafted to allow either.
What Else Can Terminate an S Election in Estate Planning?
Several quiet events: a shareholder marrying a non-resident alien or losing U.S. citizenship or residency (which can end grantor status and start a short election clock), stock landing in an ineligible trust or with a foreign person, creating a second class of stock (different voting rights are fine; different distribution or liquidation rights are not), and a QTIP or marital trust that is not drafted to run like a QSST. Each can convert the company to a C corporation, for all owners, often before anyone notices.
We Missed the Election, or the IRS Says We Terminated. Now What?
There is relief, but it costs time and money. For a genuinely inadvertent termination, the IRS can grant relief under a simplified procedure (Rev. Proc. 2013-30) within roughly three years, or through a private letter ruling under Section 1362(f), which works but commonly runs $40,000 to $50,000 plus professional fees. Separately, when S stock is transferred to a grantor trust, the IRS sometimes wrongly flags a termination; the fix is usually a rebuttal letter, not a crisis. The cheapest path by far is drafting the trust correctly in the first place.
How Do You Fix This in My Plan?
We make sure any trust that may hold your S-corp stock is drafted to be QSST-able or ESBT-eligible, with the right elections planned and the deadlines flagged, and we coordinate it with your buy-sell agreement and operating documents. For owners who want outside investment or to issue equity to a key employee, we can look at restructuring (for example, an F-reorganization into a holding company with a disregarded LLC underneath). It starts with reviewing what you have at a free consult.
Sources of Law
- IRC §1361 (S-corporation and eligible-shareholder rules); §1361(d) (QSST); §1361(e) (ESBT); §1362(f) (inadvertent-termination relief); Rev. Proc. 2013-30 (simplified late-election relief). (retrieved 2026-06-09)
Updated on June 9, 2026. Reviewed by Kevin D. Klagge, Esq., Fla. Bar No. 99502. General information about federal and Florida law, not legal or tax advice, and no attorney-client relationship is created. S-corporation and trust rules are technical and fact-specific; coordinate with your CPA. Do not send confidential information until we have agreed to represent you.