
The Employee Retention Credit (ERC) falls into a high-scrutiny category because employers claim it through amended employment tax returns, and the IRS can test eligibility and wage computations against third-party and payroll-source records. The IRS continues to warn employers about aggressive ERC marketing and urges them to watch for red flags such as “eligibility in minutes,” large upfront fees, and contingency fees tied to the refund amount. When the IRS disallows an ERC claim, it can issue Letter 105-C and state that the employer can pursue an administrative appeal, Appeals review, or litigation if the employer disagrees.
Employers often create civil & criminal tax fraud exposure when they treat the ERC as a marketing product rather than a proof-based tax credit. The IRS develops fraud by moving from indicators to “firm indications,” meaning affirmative acts that show intent to deceive, and the IRS uses those procedures in civil & criminal tax examinations. If the IRS proves that an underpayment is attributable to fraud, IRC § 6663 imposes a 75% civil fraud penalty on the fraud-attributable portion of the underpayment. In ERC cases, poor documentation can move quickly from “ineligible” to “fabricated,” especially when the file includes copy-paste suspension narratives, nonexistent government orders, or reconstructed payroll support.
Eligibility Documentation That the IRS Will Ask For First
ERC audits usually begin with one question: Did you qualify for the quarter you claimed? The IRS’s ERC eligibility checklist instructs employers to document the specific government order, how and when the order suspended operations, and the qualified wages paid, and it states that the IRS will treat operations as partially suspended only if the employer shows that a government order suspended more than a nominal portion of the business. Employers who claimed eligibility under a “full or partial suspension” theory should expect the IRS to ask for the actual order, the jurisdiction, the effective dates, and a contemporaneous explanation that ties the order to a specific operational impact on the employer. Employers frequently lose on this theory when they rely on generalized COVID news, industry conditions, or supply-chain disruptions without linking those facts to a qualifying governmental order and a measurable suspension of business operations.
Employers who claimed eligibility under a gross-receipts decline theory should expect a different audit posture. The IRS will request quarter-by-quarter gross receipts computations, source documents supporting the receipts, and consistency across tax and financial reporting. The IRS treats the ERC as a complex credit that requires careful review, and it directs employers to use technical guidance and instructions for the applicable period. In practice, the IRS will test whether the employer used the correct comparison quarters and whether the employer applied any aggregation rules correctly when multiple related entities exist.
Wage and Payroll Substantiation Failures That Drive Disallowance
After eligibility is established, the IRS will test whether the employer calculated qualified wages correctly and reported the claim properly on the amended employment tax return. Employers typically claim ERC by filing Form 941-X (or another adjusted employment tax return for the applicable filing type), and the IRS’s Form 941-X instructions set the correction framework and the limitations rules for filing. In an audit, the IRS will generally request payroll registers, wage detail by employee by pay period, employer-paid health plan expense allocation support, and the workpapers that show how the employer moved from payroll data to the amounts placed on the relevant lines and worksheets.
Documentation failures that routinely trigger disallowance include missing payroll source reports, inconsistent wage totals between payroll systems and Form 941 filings, unsupported health plan allocations, and “qualified wage” schedules that do not reconcile to the employer’s own books. When a third-party payer or PEO files the employment tax returns, employers often struggle to obtain the quarter-specific support that ties the credit to the employer’s actual payroll. Employers should treat it as a predictable audit issue and obtain the supporting schedules and attestation package before responding to IRS correspondence.
Finally, employers must manage the income tax side effects correctly. The IRS explains on its ERC materials that employers may need to resolve issues with their income tax returns after an ERC disallowance, and it addresses those interactions in the ERC FAQs. If the employer claimed ERC and did not reflect the required wage-deduction adjustment, the employer risks a second dispute on the income tax side. That “two return” problem often makes the IRS more skeptical when the payroll claim file already contains weaknesses.
Documentation Failures That Convert an ERC Audit into Civil and Criminal Tax Fraud Exposure
Civil tax fraud exposure does not require a dramatic event. It often arises from conduct the IRS can characterize as an affirmative act of deception. The IRS fraud-development procedures instruct exam personnel to recognize indicators of fraud and then develop evidence of fraud through affirmative acts or “firm indications” that reflect actions taken to deceive or defraud. In ERC audits, the most common fraud-development triggers involve document integrity rather than legal interpretation.
High-risk failure modes include: a claimed “government order” that never applied to the employer’s operations, a partial-suspension narrative that does not match contemporaneous business records, retroactive “nominal portion” calculations prepared only after the audit begins, and wage schedules that do not reconcile to payroll-source data. When the employer adds altered or backdated documents to “fix” these gaps, the employer can hand the IRS the affirmative-action evidence needed to move from ineligibility to fraud allegations. The IRS’s own fraud-development framework treats altered or false records and misleading conduct as serious indicators that can support escalation.
If the facts support fraud, the IRS can pursue the civil fraud penalty under IRC § 6663. The IRS can also coordinate with the clandestine IRS Criminal Investigation when the evidence supports a finding of willfulness. Employers should treat any audit involving fabricated documentation, altered payroll support, or knowingly false statements as an eggshell posture, and they should route sensitive development through counsel to avoid creating willfulness evidence through careless submissions. If the IRS has the evidence necessary to assess the civil fraud penalty it has the evidence necessary to prosecute and incarcerate.
Risk-Controlled Options When You Suspect an Incorrect ERC Claim
If the employer has not received payment on the ERC claim, or the employer received a check but did not cash or deposit it, the IRS states that the employer can request withdrawal of the ERC claim. The IRS also states that withdrawn claims will be treated as if they were never filed, and that it will not impose penalties or interest. This withdrawal pathway can prevent a weak claim from becoming a civil fraud-development exam.
If the employer has already received ERC funds and now believes the claim was incorrect, the employer cannot use the IRS’s previously offered ERC voluntary disclosure programs, as the IRS states the second ERC voluntary disclosure program closed on November 22, 2024. That closure underscores the importance of a disciplined audit response strategy because the employer will often have to defend eligibility and computation directly, or concede and resolve employment tax and income tax consequences without making new admissions that worsen exposure.
California State Consequences After an ERC Adjustment
ERC itself is a federal employment tax credit, but an ERC dispute can still become a California problem when the employer’s federal tax picture changes and the employer has California filing obligations. If the IRS changes the employer’s federal tax liability and the change creates additional California tax due, California requires reporting of the federal change to the Franchise Tax Board within six months of the final federal determination. Employers should treat the ERC audit file as a multi-year record that may reappear on the state side, especially when the dispute involves wage deductions, related-party aggregation, or payroll records that California may also request in an examination.
Contact the Tax Law Offices of David W. Klasing if You Face an ERC Audit, Disallowance, or Civil Fraud Exposure
ERC disputes turn into civil & criminal fraud exposure when the IRS stops debating eligibility and starts questioning whether the employer manufactured the file. At the Tax Law Offices of David W. Klasing, we help employers stabilize ERC matters by building an evidence-first defense that starts with the documents the IRS expects to see, including the governmental order file and operational-impact proof, or the gross-receipts computation file, then move to payroll-source substantiation that reconciles to Forms 941 and the Form 941-X workpapers. Our dual-licensed Tax Attorneys & CPAs control communications and document production so the employer does not create “firm indications” through inconsistent statements, retroactive backfilling, or altered records, and we treat high-risk fact patterns as civil-and-criminal tax exposure problems from day one under the IRS fraud-development framework.
When the employer needs damage control, we evaluate the IRS withdrawal pathway for unpaid claims, and we handle the disallowance response strategy and Appeals positioning for Letter 105-C cases while protecting privilege and avoiding unforced admissions that could create willfulness evidence. Call the Tax Law Offices of David W. Klasing at 800-681-1295 for a confidential, reduced-rate initial consultation HERE.

