IRS Fraud Filters Slow Some 2025 Tax Refund Claims

Some taxpayers filing 2025 tax returns are seeing refunds take longer than expected because the IRS fraud filters are routing certain filings into manual review. These systems, according to the Internal Revenue Service, detect identity theft, refund fraud, and tax-related identity theft before issuing a tax refund. While most returns move normally through the filing season, returns flagged by the systems may pause while IRS staff verify Social Security information, income records, or eligibility for refundable credits.

IRS Expands Fraud Screening During the 2025 Filing Season

The Internal Revenue Service analyzes millions of tax returns each tax season using fraud filters and data analytics. These tools are part of broader refund fraud programs intended to detect tax fraud and ID theft before refunds are released.

According to findings from the Treasury Inspector General and a Treasury report, the IRS used 295 IRS ID Theft Filters during the 2025 filing season. The filters compare tax returns with W-2 information, employer Form W-2 records, and other third-party data to identify suspicious patterns.

The screening systems also support federal fraud risk assessment initiatives under the Fraud Risk Framework. Guidance from the Office of Management and Budget encourages agencies to strengthen fraud detection, while the IRS continues expanding programs such as Return Integrity Operations and systemic verification methods.

Return Review Program Uses Analytics to Flag Suspicious Returns

Automated Systems Analyze Refund Claims For Fraud Risk

A key component of IRS fraud detection is the Return Review Program, which evaluates tax returns for signs of identity theft and refund fraud. The Government Accountability Office reports that the program relies on predictive analytics and third-party data to identify filings that resemble fraudulent activity.

The system reviews employer-reported wage data, Form W-2 information, and other filings such as Form 1099-MISC to assign risk scores. These checks operate alongside the Electronic Fraud Detection System and the Pre-refund Wage Verification Program, which verifies wage data before a tax refund is issued.

Returns exceeding risk thresholds may be routed to Return Integrity Operations for systemic verification before processing continues.

Several Common Factors Can Trigger Manual Review

Refundable Credits May Receive Additional Verification

Certain refund claims undergo extra scrutiny during the tax season. Credits authorized under the Internal Revenue Code, including those related to programs such as the Work Opportunity Tax Credit, may require verification before a refund is issued.

Pandemic-era provisions referenced in Notice 2021-20 or filings connected to Form 941X may also require additional confirmation if records must be validated before refunds are released.

Identity Verification Notices May Pause Refund Processing

Taxpayers may receive notices such as Letter 5071C, Letter 4883C, Letter 5747C, or instructions connected to Form 5071C when the IRS needs to verify identity. These notices are part of the Taxpayer Protection Program, which directs taxpayers to confirm their identity through the ID Verify system.

Taxpayers may be asked to access their online account, answer security questions, or visit a Taxpayer Assistance Center. These measures help confirm that the tax return was filed by the legitimate taxpayer, not by someone using a stolen Social Security number.

Income Discrepancies And Third-Party Records May Trigger Checks

When reported income does not match employer records, the IRS may flag refund claims. Wage data from Form W-2 and other information returns allow the IRS to compare reported income during the pre-refund wage verification process.

These checks help detect tax scams, tax fraud, and identity theft schemes tied to data breaches that expose sensitive personal information.

Some Taxpayers Face Higher Odds Of Refund Verification

Most taxpayers will not encounter delays, but some filings are more likely to trigger IRS fraud filters. Returns showing large refund claims, changes in filing patterns, or new bank accounts may resemble patterns associated with identity theft.

Filings involving deceased persons or stolen tax ID numbers can also trigger systemic verification. These safeguards operate under the IRS Taxpayer Protection Program and initiatives tied to the Fraud Reduction and Data Analytics Act of 2015.

Paper returns may take longer to process because they require manual handling. Electronic filing with direct deposit usually allows faster processing when fraud filters do not detect irregular patterns.

Manual Review Does Not Mean The IRS Suspects Fraud

Selection for review by IRS fraud filters does not mean a taxpayer committed fraud. The IRS flags many legitimate tax returns because they resemble patterns associated with tax-related identity theft or refund fraud.

During review, IRS personnel may verify income records, check W-2 information, or confirm identity before releasing the refund. Taxpayers can report suspected identity theft by submitting Form 14039, the Identity Theft Affidavit PDF.

Taxpayers facing long delays may seek help from the Taxpayer Advocate Service, which assists individuals dealing with unresolved tax problems. The IRS also provides the Taxpayer Roadmap to explain the steps involved in refund verification.

Steps Taxpayers Can Take To Reduce Future Delays

Identity Protection PIN Helps Prevent ID Theft

The IRS encourages taxpayers to obtain an Identity Protection PIN, a six-digit number used when filing their tax return. The number helps prevent criminals from filing fraudulent returns using a stolen Social Security number.

The program operates through an online application process and is part of the Security Summit, a partnership among the IRS, tax professionals, and state agencies.

Monitoring Financial Records Can Detect Identity Theft

Taxpayers should review their credit reports regularly. If you detect suspicious activity, the Federal Trade Commission and credit bureaus recommend promptly reporting identity theft.

Organizations such as the Identity Theft Resource Center guide reporting identity theft and responding to phishing emails, phishing scams, and other cybersecurity threats targeting sensitive personal information.

Sources

• Internal Revenue Service – Refund Processing and Status
• Treasury Inspector General for Tax Administration – Identity Theft Filters Report
• Government Accountability Office – IRS Return Review Program
  

‍By William Mc Lee, Editor-in-Chief & Tax Expert—Get Tax Relief Now