IRS Publication 2104 – IRS Forms, Instructions, Pubs 2026 – In the complex world of U.S. tax administration, IRS Publication 2104 stands out as a critical resource for taxpayers, policymakers, and tax professionals. Officially known as the National Taxpayer Advocate’s Annual Report to Congress, this publication serves as an independent assessment of the IRS’s performance, highlighting taxpayer challenges and proposing solutions to improve the system. Released annually, it plays a key role in advocating for taxpayer rights and driving reforms. If you’re dealing with IRS issues like refund delays, audit concerns, or service frustrations, understanding Publication 2104 can provide valuable insights into systemic problems and potential fixes.
What Is IRS Publication 2104?
IRS Publication 2104 is the formal designation for the National Taxpayer Advocate’s (NTA) Annual Report to Congress. Mandated by law under Internal Revenue Code (IRC) Section 7803(c)(2)(B), this report is submitted directly to Congress without prior review from the IRS Commissioner, Treasury Secretary, or other officials, ensuring its independence. The NTA, who heads the Taxpayer Advocate Service (TAS), acts as the “voice of the taxpayer” within the IRS, focusing on protecting rights outlined in the Taxpayer Bill of Rights (TBOR).
The report typically includes:
- An analysis of the ten most serious problems (MSPs) encountered by taxpayers.
- A summary of the most litigated tax issues in federal courts.
- Administrative and legislative recommendations to address these issues.
- Data on IRS performance, such as processing times, service levels, and compliance metrics.
Publication 2104 is not a one-time document; it’s an ongoing series, with each edition building on previous ones. For instance, earlier versions like the 2024 report (sometimes referenced as p2104c.pdf) addressed ongoing challenges from the COVID-19 era, while more recent editions reflect post-pandemic recoveries and new legislative changes.
The Purpose of the National Taxpayer Advocate’s Annual Report
The primary goal of Publication 2104 is to identify systemic issues within the IRS that burden taxpayers and recommend practical solutions. It emphasizes strengthening taxpayer rights, reducing administrative burdens, and enhancing IRS efficiency. By law, the report must cover at least ten MSPs, such as delays in refund processing, inadequate customer service, and complexities in international tax compliance.
A companion volume, the “Purple Book,” compiles legislative recommendations—often numbering around 70—to Congress. These have led to real changes; for example, in 2025, Congress enacted laws improving math error notices and disaster relief deadlines based on prior Purple Book suggestions.
The report also includes a Taxpayer Rights and Service Assessment, acting as a “report card” for the IRS on metrics like audit no-change rates, collection activities, and phone service levels. This data-driven approach helps stakeholders measure progress and hold the IRS accountable.
Key Highlights from the 2025 Annual Report to Congress
The most recent edition of IRS Publication 2104, the 2025 Annual Report, was released in January 2026 and focuses on fiscal year (FY) 2025 challenges. It reports significant IRS improvements, such as processing 269 million returns (163 million individual, 94% e-filed) and issuing 104 million refunds averaging $3,167, but flags ongoing issues amid workforce reductions and new tax laws like the One Big Beautiful Bill Act (OBBB Act), which introduced over 100 changes.
Top 10 Most Serious Problems
The report details ten MSPs, including:
- Amended Returns: Delays averaged 157 days for individuals and 401 days for businesses, with confusing notices lacking appeal instructions.
- IRS Modernization and Digitalization: Outdated paper processes and procurement delays hinder progress, with the Zero Paper Initiative (ZPI) processing only 2% of individual paper returns.
- Telephone Service: The IRS’s Level of Service (LOS) metric is inaccurate (53.3% overall), with 80% negative feedback on chatbots and voicebots.
- Independent Office of Appeals: Concerns over independence, with case delays averaging 337 days and staffing down 27%.
- Tax Pro Accounts: Lacks key features like notice viewing, forcing reliance on paper methods.
- Records Access: FOIA requests face backlogs (803 pending at FY 2025 end) and inadequate responses.
- Centralized Authorization File (CAF): Manual processing delays average 11 days, with 34,856 forms in inventory.
- Social Media Influence: Misinformation leads to scams, with $162 million in penalties assessed.
- Taxpayers Living Abroad: Severe compliance burdens for ~4.4 million U.S. citizens overseas, with limited IRS support.
- International Withholding Relief: Delays in processes like FIRPTA (9-12 months) and Form 8233 determinations.
Other Notable Sections
- Most Litigated Issues: Covers 370 court opinions, including accuracy-related penalties and Collection Due Process hearings.
- TAS Advocacy: TAS handled 229,760 cases in FY 2025, issuing 95 Taxpayer Advocate Directives (79% compliance rate).
- Legislative Recommendations: The 2026 Purple Book offers 71 proposals, such as minimum standards for tax preparers and expanding Tax Court jurisdiction.
Key statistics include 103.9 million IRS calls (29% answered by employees), EITC improper payments of $15.9 billion (27.3% rate), and over $11.1 billion in interest on delayed refunds.
Why Publication 2104 Matters for Taxpayers?
This report isn’t just for Congress—it’s a tool for everyday taxpayers. It sheds light on common pain points, like identity theft resolution (averaging 21 months) or scam vulnerabilities ($12 billion in consumer losses in 2024). By highlighting issues like workforce shortages (27% reduction to 74,465 employees) and the need for better digital tools (958.9 million IRS.gov visits), it pushes for reforms that make tax compliance easier and fairer.
For businesses and individuals abroad, it addresses unique burdens, such as FATCA reporting and limited e-filing options. Overall, Publication 2104 promotes voluntary compliance by advocating for a more taxpayer-friendly IRS, potentially reducing the $536 billion annual cost of tax complexity.
How to Access IRS Publication 2104?
You can download the latest report and past editions from the official Taxpayer Advocate Service website at taxpayeradvocate.irs.gov/reports. The 2025 report is available as a PDF, along with executive summaries and the Purple Book. For direct access to the 2025 edition, visit the IRS.gov publications page or search for “p2104.pdf.”
In summary, IRS Publication 2104 is an essential guide to navigating and improving the U.S. tax system. By staying informed about its findings, taxpayers can better advocate for their rights and anticipate changes that make filing easier. For more details, explore the full report and consider consulting a tax professional for personalized advice.