ERC & Business Tax

ERC Claim Disallowed: What It Means and What to Do Next (2026)

By Angeline Balsitis, EA · Reviewed by Melissa Ly, Chief Tax Officer · Published July 4, 2026 · Updated July 7, 2026 · Editorial Standards

You filed the 941-X back when everyone — maybe a firm that called your business three times a week — said you qualified, then waited years through the IRS backlog. The answer finally came, and it's a letter saying your Employee Retention Credit claim is disallowed. That decision is not final. You have a formal appeal path, a two-year court window, and, if you were already paid, structured ways to handle repayment.

Two dates control what happens next, and only one of them is obvious. The image below shows exactly what an ERC disallowance letter looks like and where to look for the date that starts your clock.

Why your ERC claim was disallowed

The IRS has disallowed tens of thousands of Employee Retention Credit claims since 2024 after risk-scoring the enormous backlog of Form 941-X filings. Most rejections cite one of a handful of reasons, and your letter should name which one applies to you:

• No qualifying gross-receipts decline. Your revenue for the claimed quarter didn't drop enough compared to the same 2019 quarter.
• No qualifying government order. The IRS rejected claims built on general economic hardship or supply-chain disruption without a specific order that fully or partially suspended your operations.
• Entity or wage problems. The business didn't exist, had no W-2 employees during the claimed period, or the claimed wages don't match the 941s on file.
• PPP double-dipping. The same wages were used for both Paycheck Protection Program forgiveness and the ERC.
• Promoter boilerplate. The claim covered every available quarter with identical language — a pattern the IRS flags as promoter-driven. If that's your situation, our guide to ERC mill claim problems covers the disavow-and-repair sequence.

One thing to hold onto: a disallowance is a decision on one refund claim — not an audit of your business, and the IRS has acknowledged that some disallowance letters went out with errors. A wrong disallowance is fightable, and businesses with documented eligibility win reversals.

Which letter are you holding? 105-C, 106-C, or a bill

The letter number on your ERC disallowance determines whether you're fighting for money you never got or defending money you already received. Check the upper corner of the letter against this table — the image on this page shows you exactly where that identifier and the controlling date sit on the document.

The two clocks a disallowance letter starts

An ERC disallowance letter starts a 2-year period to sue the government for your refund, and a much shorter administrative window to request an Appeals review. They run on different rules, and confusing them is the most expensive mistake owners make at this stage.

Clock one — Appeals. Your letter explains how to request review by the IRS Independent Office of Appeals, and the practical window it gives you is short. Appeals is free to request, handled in writing or by conference, and reverses disallowances when the eligibility record is solid. Our ERC disallowance appeal guide walks through the protest letter itself.

Clock two — court. Under IRC §6532, a refund suit must be filed within two years of the disallowance date, in federal district court or the Court of Federal Claims. Here's the trap: requesting an Appeals review does not pause the two-year suit clock. If Appeals is still deliberating as your two-year mark approaches, the fix is Form 907 — a written agreement, signed by both you and the IRS, extending the time to sue. It must be in place before the window closes; nothing revives it afterward.

Separately, the IRS's own clock to come after paid claims is longer than normal — up to five years for some 2021 quarters. The details are in our guide to the ERC statute of limitations.

What happens if you ignore an ERC disallowance

Ignoring an ERC disallowance costs you the entire claim if you were never paid — and starts business collection if you were. If your claim was rejected before payment, nothing dramatic happens next: no bills, no reminders. The two-year clock simply runs out in silence, and a claim that might have been won becomes unwinnable. If the IRS already sent you the refund, the sequence has teeth:

1. The Appeals window closes. The review path printed on your letter expires, leaving court as the only way to contest the decision.
2. Recapture is assessed. The credit is reversed on your business's 941 account — with interest that generally runs from the date the refund was issued, not from today.
3. Balance-due notices arrive. The business enters the standard collection sequence: a first bill, then escalating demand notices.
4. Final notice of intent to levy. This letter starts a 30-day window with Collection Due Process rights — after it passes, the IRS can levy business bank accounts and accounts receivable.
5. The two-year mark passes. The disallowance becomes permanent. All that's left is repayment logistics and the income-tax deduction fix below.

One 2026 reality worth naming: the IRS workforce shrank roughly 27% in 2025, so reaching a human about your ERC file is harder than ever — but the disallowance letters, recapture assessments, and levy notices are generated by automated systems that never slowed down.

ERC claim disallowed: your options in 2026

Every disallowed ERC claim resolves down one of five paths, and the right one depends on two questions: was the claim actually valid, and did you already receive the money? The general playbook for resolving any IRS balance is covered in our guide to how to settle tax debt yourself — here's what's specific to a disallowed ERC:

If repayment is the path and the number doesn't fit your cash flow, two guides go deeper: can't repay ERC for the full menu, and business IRS installment agreement for the plan thresholds that apply to an operating business. You can also estimate what's accruing on an unpaid recapture balance with our penalty & interest calculator.

The income-tax side effect most owners miss

Claiming the ERC required cutting your wage deduction by the credit amount on the income tax return for the year those wages were paid. If the credit is now disallowed and you accept that — or fight and lose — you paid income tax on a deduction you were entitled to all along.

The fix is amending that income tax return to restore the deduction. The catch is timing: the refund statute of limitations is generally 3 years from when the original return was filed, and for 2020 and 2021 returns that window may be closing or already closed. Whether a protective claim can preserve your refund while the disallowance fight plays out is exactly the kind of question worth ten minutes with a professional. The full mechanics — including how this interacts with recapture — are in our ERC recapture guide.

Say your disallowed claim is $19,700: the math on each path

Here's a clearly hypothetical example. Say you run a small business with payroll and claimed $19,700 of ERC for one 2021 quarter on a 941-X.

If you were never paid, the question is whether the claim is worth defending. If your books show a genuine gross-receipts decline for that quarter, an Appeals protest is fighting for the full $19,700 at the cost of preparation time and any professional fees — usually a fraction of the claim. If the filing was promoter boilerplate with no real eligibility, folding may be smarter: if you reduced your 2021 wage deduction by $19,700 when you claimed the credit, restoring that deduction at a 22% marginal rate recovers about $4,334 ($19,700 × 0.22) — real money back from a dead claim, if the refund statute is still open.

If you were already paid, the $19,700 comes back as a recapture balance with interest running from the refund date. Spread over 24 months, that's roughly $821 a month before interest; over 48 months, about $410. Which term you can actually get depends on business plan thresholds and your financials — but the point stands: a five-figure recapture is a payment plan problem, not a padlock-on-the-door problem, if you engage before the levy notices start.

How to respond to an ERC disallowance, step by step

1. Identify your letter. Confirm whether you're holding Letter 105-C (full disallowance) or Letter 106-C (partial), and circle the date at the top — it starts your two-year clock.
2. Pull your claim file. Gather the Form 941-X for each quarter, your gross-receipts numbers, any government orders you relied on, and everything the preparer or promoter gave you.
3. Score your eligibility honestly. Before spending money on an appeal, test your claim against the gross-receipts and government-order rules — fight a solid claim, fold a boilerplate one.
4. Request an Appeals review in writing. If the claim holds up, follow the protest instructions printed on your letter and respond within the window it gives you.
5. Protect the two-year suit window. Calendar the date two years from your letter, and ask about Form 907 if Appeals hasn't decided as it approaches.
6. Fix the income-tax side. If you reduced wage deductions for a credit you'll never receive, amend that return to restore them before the refund statute closes.

When you can handle this yourself — and when help changes the outcome

Plenty of ERC disallowances don't need professional help. If you look at the letter's stated reason and agree — the numbers really didn't decline, the order really didn't suspend you — and you were never paid, you can accept the disallowance, calendar the income-tax amendment, and move on. If you were paid a small amount and can repay within your cash flow, setting up a plan directly with the IRS is straightforward.

Experienced help earns its cost in four situations: you have documented eligibility and real money at stake — Appeals protests are won on how the record is assembled; a promoter filed the claim and you need an independent read before trusting anyone's story, including theirs; the recapture balance threatens payroll or operations, where sequencing the response wrong invites a levy on your operating account; or the two-year mark is inside the next six months, where Form 907 and litigation decisions have hard, unforgiving deadlines.

Terms on your disallowance letter, decoded

• Disallowance: the IRS's formal rejection of a claim for refund — a decision you can contest, not merely a form letter.
• Claim for refund: the legal name for what your Form 941-X was — a request for money back that the IRS must allow, disallow, or sit on.
• Recapture: the IRS reversing an ERC it already paid, converting your refund into a payroll tax balance due with interest.
• Two-year suit period: the window under IRC §6532 to take a disallowed claim to federal court, starting on the letter's date.
• Form 907: a signed agreement between you and the IRS extending that two-year window — the only thing that does.
• Protest: the written statement, following your letter's instructions, that asks the IRS Independent Office of Appeals to review the disallowance.

ERC disallowance questions, answered

Your next 24 hours

1. Find the date at the top of your letter and write down two dates: the response window the letter describes, and the day exactly two years out — that's your court deadline.
2. Assemble your ERC file: the 941-X for each claimed quarter, quarterly gross-receipts figures for 2019–2021, any government orders you relied on, and every document the preparer or promoter gave you.
3. Get the letter reviewed free before the appeal window on it passes — the 2-minute form or (888) 825-7779. Ten minutes now tells you whether you're fighting for $19,700 or planning how to repay it.

Primary sources: the IRS's own explainer at Understanding your Letter 105-C, the IRS's Employee Retention Credit page for current eligibility rules and program updates, and IRS.gov/payments if repayment is your path.

This guide is general information, not tax or legal advice for your specific situation. Eligibility for IRS programs depends on individual facts and circumstances; no outcome is guaranteed.

Related: ERC disallowance appeal · can't repay ERC · ERC recapture · ERC mill claim problems — or browse all guides.