Your S-Corp Election Might Not Be Real: How to Actually Confirm It With the IRS
A tax preparer recently described a familiar situation in an online tax forum: a business owner filed Form 2553 to elect S-Corp taxation on their own, made an error on the form, and the IRS rejected it. A year later, a notice arrived saying the business would be treated as a C-Corporation and needed to file Form 1120 — not the S-Corp return the owner had been filing all along. The preparer's plan was to pursue late-election relief to fix it retroactively.
Whether or not every detail of that particular story is exactly right, the underlying problem is real and common: an LLC owner files Form 2553, assumes the S-Corp election is in effect, runs payroll, pays themselves a salary, and files an S-Corp return — for a year, sometimes several — without ever confirming the IRS actually accepted the election. An S-Corp election that was never confirmed isn't a formality gap. It's the difference between being taxed as an S-Corp and being taxed as a C-Corp, and the IRS decides which one applies, not your bookkeeping.
Filing Form 2553 Isn't the Same as Having an S-Corp Election
An LLC is not automatically an S-Corp, and it never becomes one just because the owner intended it to, set up payroll for it, or told their bank and bookkeeper it was one. S-Corp status is a tax election made by filing Form 2553, and the election only takes effect once the IRS actually processes and accepts it. Until that happens, the entity is taxed under its default classification — for a multi-member LLC, that's a partnership; for a single-member LLC, it's a disregarded entity; and if a separate corporate election was already made or is deemed to apply, the fallback can be a C-Corporation.
That gap between "I filed the form" and "the IRS accepted the election" is exactly where problems like the one described above start. A rejected or incomplete Form 2553 doesn't necessarily generate an obvious red flag right away — sometimes the mismatch surfaces a year or more later, once return processing or an internal review catches that the entity has been filing and behaving like an S-Corp without a valid election on record.
How to Actually Confirm Your S-Corp Election Was Accepted
Don't treat any of these as proof that your S-Corp election is in effect — they're common but insufficient substitutes for actual confirmation:
Running S-Corp-style payroll for the owner. Paying yourself a "reasonable salary" is something S-Corp owners are supposed to do, but doing it doesn't create the election — it just means you've built a payroll process around an assumption that may or may not be correct.
Filing Form 1120-S in a prior year. The IRS can, and sometimes does, catch an invalid election after returns have already been filed under it, which is exactly how a business can go a full year or more believing it's an S-Corp before hearing otherwise.
Your accountant or bookkeeper telling you it's "set up." Unless someone specifically confirms the IRS's written acceptance, this is secondhand reassurance, not verification.
What actually confirms an S-Corp election:
CP261, the IRS's official acceptance notice. This is the document the IRS mails when a Form 2553 is approved. If you filed the election and never received this notice, that's the first thing to track down — not assume arrived and got misplaced.
A call to the IRS Business & Specialty Tax Line. The IRS can verify over the phone whether a specific EIN has an S-Corp election on file and, if so, the effective date. This is the most direct way to resolve uncertainty when you can't locate a CP261.
Your business tax transcript or IRS Business Tax Account. Entity classification and filing history are reflected in your account with the IRS; reviewing what your IRS Business Tax Account actually shows is more reliable than inferring status from what you've filed on your own.
What Happens If Your Form 2553 Was Rejected or Was Never Confirmed
If the election was rejected, incomplete, or simply never confirmed, the entity's actual tax classification during that period is whatever its default classification is — which, depending on the facts, can mean the IRS expects a Form 1120 (C-Corp) or a partnership return instead of the S-Corp return that was actually filed. That mismatch doesn't resolve itself; it has to be fixed either by correcting the election going forward, amending the classification history, or pursuing relief for the years where an S-Corp return was filed based on an election that was never actually valid.
This is precisely the kind of situation where waiting to find out "the hard way" — a rejection notice or an IRS inquiry — is far more disruptive than confirming the election proactively the moment Form 2553 is filed.
Late S-Corp Election Relief: How Rev. Proc. 2013-30 Can Fix It
The good news is that the IRS built a specific relief mechanism for exactly this problem. Rev. Proc. 2013-30 allows an entity to be treated as having made a timely S-Corp election even when the original filing was late or defective, provided it meets four requirements:
The entity intended to be an S-Corp, was eligible to be one, and failed to qualify solely because the election wasn't timely or properly filed — not because of some other disqualifying issue, like an ineligible shareholder.
Reasonable cause for the late or defective filing, documented in a written statement explaining what went wrong.
Consistent reporting — the entity and all its shareholders must have reported their income consistent with S-Corp treatment for the year the election should have applied and every year since.
A timing window of generally 3 years and 75 days from the date the election was intended to take effect.
When relief is granted this way, the resubmitted Form 2553 is typically filed with the notation "Filed Pursuant to Rev. Proc. 2013-30" along with the required reasonable-cause statement. This is often a paperwork fix rather than a financial one — but only if it's caught within that multi-year window, and only if the entity's actual filing history lines up with what the relief requires. Outside that window, or where the facts don't meet the requirements, the fallback is a private letter ruling request under Section 1362(f), which is a slower and more expensive process.
A Confirmation Checklist for Every LLC That Elected S-Corp Status
Whether you're filing Form 2553 for the first time or you elected S-Corp status years ago and have simply never double-checked it, run through this:
Locate your CP261 acceptance notice. If you can't find it, that's a gap worth closing now, not at tax time.
If you can't find it, call the IRS Business & Specialty Tax Line and ask directly whether your EIN shows an active S-Corp election and its effective date.
Cross-check the effective date against what you've been filing. An election accepted for a later year than you assumed can mean prior returns were filed under the wrong classification.
If the election was rejected or never confirmed, address it immediately — either by refiling correctly or evaluating whether you qualify for late-election relief under Rev. Proc. 2013-30 before the 3-year-and-75-day window closes.
Don't let payroll setup substitute for this check. A reasonable-salary payroll process is a sign you're operating like an S-Corp; it is not evidence that the IRS agrees you are one.
Where It Gets Complicated Enough to Need Help
Filing Form 2553 yourself is straightforward on paper, which is exactly why it's easy to assume it worked without confirming it did. The cases that turn into real problems aren't the ones caught in month two — they're the ones discovered a year or two later, after payroll, distributions, and multiple tax returns have all been built on a classification that was never actually in effect.
If you elected S-Corp status and can't put your hands on the IRS's written acceptance right now, that's worth resolving before your next filing, not after a notice does it for you. It also matters for more than your entity classification: whether you're validly taxed as an S-Corp changes how your qualified business income deduction is calculated, since reasonable-salary payroll only factors into that math if the S-Corp election was actually in effect. And none of this is verifiable without books that actually reconcile against what you've filed — confirming your election status is exactly the kind of check that belongs in routine bookkeeping, not a one-time assumption.
Official guidance: IRS — Late Election Relief.
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