ERC Statute of Limitations

ERC claims are filed on Form 941-X, the amended employment tax return. Under the standard rule in IRC § 6501(a), the IRS generally has 3 years to assess employment taxes from the later of the return's due date or the date it was actually filed. That 3-year window would have started expiring for 2020 ERC claims starting in 2024.

The One Big Beautiful Bill Act changed that calculation. The OBBBA enacted a specific extended limitations period for ERC-related employment tax returns — 6 years from the date of filing. This is the same extended period that applies to income tax returns where gross income is omitted by more than 25 percent under IRC § 6501(e), adapted here for the ERC enforcement context.

This matters because many employers have been quietly waiting out what they believed was an expiring statute. That strategy does not work under the current law. If you claimed the ERC on a Form 941-X, the IRS has 6 years from the date you filed that amended return to examine it and assess additional tax.

If you have open ERC claims, call (619) 378-3138 to understand your current exposure.

The OBBBA ERC Audit Window: What It Changed

Before the OBBBA, employers who filed ERC claims in 2021 for 2020 quarters could reasonably expect the standard 3-year window to close by 2024. Some were told by advisors to sit tight and let the statute run. The OBBBA ended that strategy.

Here is what the OBBBA provision does:

• Extended window: 6 years from the date of filing the Form 941-X claiming the ERC, rather than the standard 3 years.
• Which claims it applies to: Any Form 941-X on which an Employee Retention Credit was claimed. This covers 2020 and 2021 ERC claims regardless of when they were originally filed.
• Retroactive application: The extended window applies to returns already filed before the OBBBA's enactment. If the standard 3-year period had not yet expired when the OBBBA was enacted, the new 6-year period applies.
• Interaction with tolling: The 6-year period does not account for tolling events — fraud, extensions, and criminal referral each operate separately and can extend the examination window further.

The practical effect: employers who filed Form 941-X claims in 2021 now face potential IRS examination through 2027. Employers who filed in 2022 or 2023 face potential examination through 2028 or 2029.

The Three Statutes of Limitations That Matter in ERC Cases

The ERC statute of limitations question is actually three separate questions. Confusing them is a common and expensive mistake.

Civil Assessment Statute of Limitations

This is the IRS's window to examine your return and assess additional employment taxes. Under the OBBBA, that window is 6 years from filing for ERC-related Form 941-X returns. During this period, the IRS can open an examination, propose a disallowance, and assess the credit amount plus interest and accuracy-related penalties under IRC § 6662 (20% of the underpayment) or fraud penalties under IRC § 6663 (75%).

If the IRS determines that no return was filed at all — for example, if a business never filed the underlying Form 941 — there is no statute of limitations. The IRS can assess at any time.

Criminal Prosecution Statute of Limitations

For willful tax evasion under IRC § 7201 and filing false claims under 18 U.S.C. § 287, the criminal statute of limitations is 6 years from the date the offense was committed. For ERC fraud, the offense is typically the date the fraudulent Form 941-X was filed.

This means a business that filed a fraudulent ERC claim in March 2021 could face criminal prosecution through March 2027. The civil and criminal clocks run independently. A business can face civil disallowance and criminal prosecution simultaneously — these are not mutually exclusive.

False Claims Act Statute of Limitations

If the IRS or DOJ pursues ERC fraud under the False Claims Act (31 U.S.C. § 3729), the FCA has its own separate statute of limitations: 6 years from the date of the violation, or 3 years after the government knew or should have known about the violation, whichever is later — but not more than 10 years total.

Given that the DOJ's COVID-19 Fraud Enforcement Task Force was not fully operational until 2021 and did not begin reviewing ERC fraud cases in volume until 2022–2023, the FCA window for many claims effectively extends well into the late 2020s.

For a more detailed breakdown of civil versus criminal SOL for income tax matters, see our page on the general IRS audit SOL.

Tolling Events That Extend the ERC Audit Window Further

The 6-year OBBBA window is a floor, not a ceiling. Several events can toll (pause or extend) the statute of limitations beyond 6 years.

Fraud or Willful Attempt to Evade

Under IRC § 6501(c)(1), there is no statute of limitations when there is a false or fraudulent return filed with intent to evade tax. The IRS does not need to invoke this provision lightly — courts require clear and convincing evidence of fraud — but for cases involving fabricated government orders, fictitious employees, or fictitious wages, this provision is squarely in play. If the IRS can demonstrate fraud, the clock stops entirely.

Extension Agreements (Form 872)

During an examination, the IRS often requests that the taxpayer sign a Form 872, Consent to Extend the Time to Assess Tax. These requests are routine. Signing one voluntarily extends the assessment period by the agreed-upon time — often one to two years. Many employers sign these without understanding that they are voluntarily giving the IRS more time to examine the claim.

There are strategic reasons to sign an extension (it gives you more time to gather documentation and negotiate). There are also strategic reasons not to sign. The right answer depends on the strength of your claim and where you are in the examination process. We review extension requests with every client before recommending a response.

Criminal Referral to IRS Criminal Investigation

When an IRS examination team identifies potential fraud indicators and refers a case to IRS Criminal Investigation (CI), the civil audit pauses — sometimes for months or years while CI investigates. During that pause, the civil statute of limitations is typically tolled under IRC § 6503. The civil clock resumes after the criminal matter is resolved. This means a business that was referred to CI in 2023 may find the civil assessment window extended well past what the OBBBA's 6-year period would otherwise allow.

What Happens When the DOJ Gets Involved

The IRS's enforcement of ERC fraud does not operate in isolation. When the IRS examination team identifies what it believes are fraud indicators, the case may be referred to IRS Criminal Investigation. CI may then refer to the Department of Justice Tax Division for prosecution, or the DOJ may independently open an investigation through the COVID-19 Fraud Enforcement Task Force.

Once the DOJ is involved, the calculus shifts in ways that most employers do not anticipate:

• Parallel proceedings. The IRS can continue its civil examination while the DOJ pursues criminal charges. A settlement of the civil matter does not resolve the criminal case, and vice versa.
• Grand jury subpoenas. The DOJ can compel document production through a grand jury subpoena, which bypasses the normal IDR (Information Document Request) process and carries criminal contempt consequences for non-compliance.
• Coordination with qui tam relators. Under the False Claims Act, private individuals — including disgruntled employees or former promoter employees — can file qui tam lawsuits. Those filings are initially under seal, meaning you may not know a relator case exists until the government decides whether to intervene.
• Statute tolling upon referral. When the government refers a matter for criminal investigation, the FCA and criminal SOL are not necessarily tolled — but the civil tax SOL may be, depending on whether an injunction or court order is issued.

If you receive any contact from IRS Criminal Investigation special agents — whether by phone, at your business, or through your attorney — coordinate all communications through counsel before responding to anything. This is not overcaution; it is the correct legal posture. See our page on ERC audit defense for more on CI contact procedures.

What to Do If You Have Open ERC Claims

The short version is: do not wait out the statute of limitations, because under the OBBBA, the window is longer than you may have been told.

Here is how we approach open ERC claims in the current environment:

• Evaluate the claim honestly. Is the eligibility analysis sound? Were the government orders cited specific and applicable? Is the gross receipts documentation clean? Many ERC mill claims are partially defensible and partially not — the right strategy depends on which quarters hold up and which do not.
• Preserve documentation now. The IRS can request records years after the claim was filed. If your business has changed systems, lost personnel, or moved offices since 2021, reconstructing contemporaneous records becomes difficult. Get the documentation organized now while it is still accessible.
• Consider voluntary disclosure for indefensible portions. The IRS Voluntary Disclosure Program (VDP) has reopened and closed multiple times. If portions of your claim cannot be defended, voluntary disclosure of those quarters may reduce penalty exposure compared to an audit loss. The VDP is not permanently available.
• Do not ignore IRS correspondence. Under the OBBBA, the window is 6 years — but the IRS is actively examining claims now. If you receive a Letter 6612, a Form 4564 Information Document Request, or any other correspondence referencing your ERC claim, the response deadlines are strict. Missing the 30-day response window significantly limits your options.

If you are uncertain about the status of your ERC claims or whether the OBBBA's extended window affects you, book a 15-minute call with our team. We can review your situation and give you a straight assessment.

How ERC Disallowance and the SOL Interact

One question we hear frequently: "Can the IRS still audit my ERC claim if I already received the refund?"

Yes. Receiving the refund does not close the statute of limitations. The IRS processed millions of ERC refund checks during the backlog period — including checks for claims it had not yet reviewed for eligibility. Receiving a check does not mean the IRS approved your claim. It means the IRS processed the return and issued the refund. The examination can come later.

If the IRS subsequently examines your claim and disallows it, you owe back the refund amount plus interest accruing from the date the refund was issued (IRC § 6601). Accuracy-related penalties under IRC § 6662 (20%) may also apply. If the IRS determines fraud, IRC § 6663 penalties (75%) apply and the civil SOL is unlimited.

Under these circumstances, the IRS will issue a notice of assessment and begin collection — CP 504, LT 11 — unless you appeal the disallowance. For the appeal process and your options after a disallowance letter, see our page on ERC disallowance appeals.

Representative Case Results

Results vary based on individual facts and circumstances. Past outcomes do not guarantee future results.