Highlights Successful 2025 Filing Season and Challenges for 2026

National Taxpayer Advocate Erin M. Collins today released her Fiscal Year 2026 Objectives Report to Congress, highlighting a largely successful 2025 filing season while raising concerns about persistent refund delays for victims of identity theft, delays in processing Employee Retention Credit claims, and critical challenges facing taxpayers and the IRS as the agency prepares for the 2026 filing season. The report also outlines the National Taxpayer Advocate’s priority recommendations as the IRS continues to modernize its technology systems in the coming years.
“The 2025 filing season was one of the most successful filing seasons in recent memory,” Collins said in releasing the report. “But with the IRS workforce reduced by 26 percent and significant tax law changes on the horizon, there are risks to next year’s filing season. It is critical that the IRS begin to take steps now to prepare.”
The IRS received nearly 141 million individual income tax returns and processed about 138 million. Over 95 percent of processed returns were filed electronically, and about 62 percent resulted in refunds. Although the IRS processed most returns without issues, the IRS “suspended” over 13 million returns during processing pending additional review, and these processing delays generally translated into refund delays for the affected taxpayers.
One longstanding filing season challenge that remains unresolved is lengthy delays in resolving identity theft cases. There are two categories of identity theft cases. One involves returns that IRS return processing filters flag as potential identity theft; the IRS flagged about 2.1 million such returns. In these cases, the IRS sent a letter to taxpayers notifying them they had to authenticate their identities prior to receiving their refunds. The IRS typically takes several months to resolve these cases.
In the second category of identity theft cases, a thief has stolen a taxpayer’s identity and filed a tax return using the taxpayer’s name and Social Security number. These taxpayers are victims and may also be experiencing the effects of the identity theft beyond the context of their tax returns. Their cases are referred to the IRS’s Identity Theft Victim Assistance (IDTVA) unit for resolution. As of the end of the filing season, the IRS had about:
“These delays disproportionately affect vulnerable populations dependent on their refunds to meet basic living expenses,” the report says. In fiscal year (FY) 2023, 69 percent of affected taxpayers had adjusted gross incomes at or below 250 percent of the Federal Poverty Level.
“IRS leadership has repeatedly assured TAS that reducing cycle time for IDTVA cases is a top priority, yet the cycle time remains unacceptably long,” Collins wrote. “I continue to urge the agency to focus on dramatically shortening the time it takes to resolve IDTVA cases so it does not force victims, particularly those dependent on their tax refunds, to wait nearly two years to receive their money.” The report recommends the IRS reduce the average case resolution time to four months.
Collins warned that without improved technology in place, IRS staffing cuts could jeopardize the success of next year’s filing season. To deliver a successful filing season, the IRS needs a sufficient number of trained employees to program its processing systems, develop and disseminate timely and clear guidance on tax law changes, answer taxpayer telephone calls, and process taxpayer correspondence, among other things.
Between the start of the 2025 filing season and June, the IRS workforce decreased from about 102,000 employees to fewer than 76,000, a drop of about 26 percent (after taking into account employees who accepted an early resignation offer but will remain on rolls through September 30).
The report notes that the IRS’s Information Technology (IT) and Taxpayer Services business units play critical roles in delivering a successful filing season. IT personnel must reprogram IRS processing systems to reflect changes in law, while Taxpayer Services personnel are responsible for processing tax returns, answering telephone calls, and processing correspondence.
As of June, IT staffing has been reduced by 27 percent and Taxpayer Services staffing has been reduced by about 22 percent, or by more than 9,000 employees. The Administration’s FY 2026 budget proposal calls for keeping Taxpayer Services staffing at about FY 2025 levels (taking into account both appropriated funds and Inflation Reduction Act funds). Thus, the IRS will need to rapidly hire and train thousands of new Taxpayer Services employees before the start of the 2026 filing season to process returns and deliver timely refunds.
“With the 2026 filing season on the horizon amid potential legislation changes and continued staffing constraints,” Collins wrote, “early preparation is essential to ensure the IRS can deliver both effective taxpayer service and secure operations.”
The report applauds recent progress in IRS technology modernization but urges the agency to stay focused on taxpayer-facing improvements. Collins highlights the IRS’s longstanding challenges in managing with antiquated technology systems as well as recent efforts to modernize its systems. She notes the IRS, in collaboration with the Treasury Department and the Department of Government Efficiency, has established nine distinct modernization “verticals” (i.e., technology projects designed to meet specific needs). Among them are a unified application programming interface, digitalization of paper returns and correspondence, and improved system interoperability among the agency’s roughly 60 stand-alone case management systems.
“For several decades, the holy grail of tax administration has been developing and deploying technology systems that automate key IRS functions in a way that improves taxpayer service and compliance and reduces the need for a large workforce,” the report says. “The IRS has made notable strides during the last couple of years, and the Treasury Department’s leadership has committed to continue accelerating the IRS’s IT progress.”
The report recommends the IRS adopt a “digital first” approach to taxpayer service and prioritize three projects:
“The IRS should continue to prioritize providing online functionality that mirrors the robust functionality offered by banks and other financial institutions,” the report says. “For at least two decades, most of us have been able to conduct almost all our financial activity using online accounts. By contrast, the functionality of IRS online accounts is limited. Taxpayers generally cannot file tax returns, view most notices, or respond to notices through their online accounts. Until recently, they could not make payments.
Currently, IRS employees manually transcribe data from paper-filed tax returns, digit by digit, into IRS systems. The IRS has made it possible for taxpayers to upload their responses to IRS notices through a digital “Document Upload Tool,” but it does not have a way to process responses using automation. As a result, it generally must print out taxpayer responses and route them to IRS employees for processing as if they had been submitted on paper.
As required by law, the report identifies TAS’s key advocacy objectives for the upcoming fiscal year. The report sets out nine such objectives:
The National Taxpayer Advocate is required by law to submit a year-end report to Congress that, among other things, makes administrative recommendations to resolve taxpayer problems. Internal Revenue Code § 7803(c)(3) authorizes the National Taxpayer Advocate to submit the administrative recommendations to the Commissioner and requires the IRS to respond within three months.
The National Taxpayer Advocate made 77 administrative recommendations in her 2024 year-end report and then submitted them to the Commissioner for response. The IRS has agreed to implement 42 (or 55 percent) of the recommendations in full or in part.
Read the IRS responses in the 2024 Annual Report to Congress Report Card.
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