IRS Workforce Reduction 2026: What CPAs Need to Know to Protect Clients

The IRS entered 2026 with a significantly reduced workforce. Beginning in February 2025, the agency shed thousands of employees through a combination of involuntary layoffs targeting probationary staff, voluntary early retirement buyouts, and hiring freezes — leaving the IRS with substantially fewer examiners, appeals officers, customer service representatives, and case workers than it had in prior years. For CPAs, this is not background news; it directly changes the processing timelines, audit patterns, and collection behavior your clients will encounter over the next several years. The automated systems — underreporter matching, DIF scoring, automated levy programs — continue uninterrupted. The human-dependent processes — complex examinations, correspondence resolution, appeals hearings, taxpayer advocate assistance — are slower, sometimes dramatically so. Knowing which is which determines how you advise clients and set expectations.

Scale and Scope of the IRS Workforce Cuts

The IRS workforce peaked at approximately 100,000 employees in fiscal year 2021, boosted by Inflation Reduction Act funding that was intended to rebuild enforcement capacity over a decade. By the start of fiscal year 2025, headcount had declined modestly. Then, beginning in February 2025, under the Department of Government Efficiency (DOGE) initiative, the IRS initiated terminations of probationary employees — staff with fewer than one year of federal service. Approximately 6,000 probationary employees were initially targeted. Federal courts issued temporary restraining orders blocking some terminations, but the litigation was ongoing and enforcement continued in parallel with the legal challenges.

In parallel, the IRS offered deferred resignation packages to a broader pool of employees — some reports estimated 20,000 or more employees accepted buyouts or took early retirement under the offer. By mid-2025, the IRS's effective workforce capacity had declined substantially across virtually every division. The exact net headcount is not publicly confirmed at the division level, but independent budget analysts at the Government Accountability Office and the National Taxpayer Advocate identified significant shortfalls in the Examination, Appeals, and Taxpayer Services divisions.

The critical distinction for practice purposes: the IRS did not shut down. Revenue from withholding and electronic filing continues flowing automatically. The agency's automated systems — the Automated Underreporter (AUR) program, the Discriminant Function (DIF) scoring system, the automated notice infrastructure, and the electronic return processing pipeline — operate with minimal human involvement. What declined is the human capacity to handle cases requiring judgment, correspondence, or review.

What Will Slow Down — and What Won't

Unaffected by workforce reductions:

• Electronic return processing. E-filed returns are processed through automated pipelines. Refunds from straightforward e-filed returns continue to issue within the standard 21-day window under normal circumstances. Clients expecting e-file refunds should not assume delays.
• Automated underreporter notices (CP2000). These are generated by computer matching of information returns against filed returns. The AUR program runs without examiner involvement. Clients with information return discrepancies — even small ones — will still receive CP2000 notices on schedule. The response window has not lengthened because the notice issuance hasn't changed; only what happens after response may slow. See How to Respond to an IRS CP2000 Notice for the full response protocol.
• DIF scoring and return selection. Returns are still scored and flagged for potential examination. The selection mechanism is automated. What has slowed is what happens after a return is selected — assignment to an examiner and scheduling of an audit.
• Automated Substitute for Return (SFR) processing. When a required return is not filed, the IRS can prepare a substitute. This program is heavily automated and continues.
• EFPTS and payroll tax deposit matching. The Electronic Federal Tax Payment System cross-references payroll tax deposits against Form 941 filings automatically.

Significantly slowed:

• Paper return and amended return processing. Paper returns require manual transcription. Amended returns (Form 1040-X, Form 1120X) require human review. Processing times that were already 20+ weeks in 2023-2024 are expected to remain elevated or worsen. The IRS's "Where's My Amended Return" tool has not accelerated the underlying process.
• Examination activity — complex returns. While the IRS's automated systems still select returns, the pipeline from selection to active examination assignment has lengthened. Complex S-Corp, partnership, and business returns that require examiner analysis, IDR (Information Document Request) drafting, and conference scheduling have seen delays in opening. Field exam rates for mid-market businesses have declined. Office exam rates for schedules requiring significant document review have also declined.
• Correspondence examination resolution. When a client receives an exam notice and submits documentation, the IRS examiner must review and close the case. With fewer examiners, this review step is taking longer. Clients should expect 90–180 day resolution timelines in correspondence audits to extend further.
• IRS phone lines. Customer service staffing has declined materially. The IRS's fiscal year 2023 level-of-service rate was approximately 85% (IRS 2023 Annual Report); with the current reductions, independent observers project level-of-service to decline significantly. Practitioner Priority Service (PPS) lines are also affected. For time-sensitive account matters, build in much more lead time before deadlines.
• Taxpayer Advocate Service (TAS). TAS is a congressionally mandated independent office within the IRS that assists taxpayers facing significant hardship. Its caseload has increased as core IRS services have slowed, but its own staffing has also been reduced. TAS referrals — appropriate for clients facing imminent hardship from IRS actions — remain available but with longer intake processing.
• Appeals. The IRS Independent Office of Appeals processes protests from taxpayers disputing examination findings. Appeals conference scheduling, which already averaged 12–18 months in complex cases, is expected to lengthen further. For clients with large exam deficiencies, faster litigation tracks (Tax Court petition after 90-day notice) may become more attractive relative to the appeals timeline.
• Levy and lien release processing. Collection holds, installment agreement modifications, and levy releases that require human review at the Collections function are slower. Automated levies (Federal Payment Levy Program) continue; manual levy releases require human action.

Audit Rate and Examination Trends

The IRS's audit rate had already been historically low before the 2025 workforce reductions. The IRS Data Book for FY 2023 showed an individual return audit rate of 0.44% — the lowest on record at that point, down from 0.9% in 2015. The workforce reductions will compress this further for returns requiring human examiner effort. The more meaningful impact for CPAs is on the type of examination activity:

Automated correspondence exams will continue. These don't require field examiners and will persist at similar volumes — covering issues like unreported 1099 income, Schedule C expenses lacking substantiation at the matching level, and EITC claims with documentation flags. Clients at risk for these should not assume they are safer because of workforce cuts.

Complex business audits will see the sharpest decline. Field examinations of partnerships with complex structures, multi-year S-Corp basis issues, cost segregation deductions, and conservation easement transactions require significant examiner time and expertise. The IRS's Large Business and International (LB&I) division was already understaffed before 2025; further reductions mean fewer such audits will open. This does not change the documentation obligations — see Audit Triggers and Defense — but it does affect the realistic risk profile for clients with complex returns.

ERC examinations are ongoing. The IRS announced that its Employee Retention Credit (ERC) examination program is a priority that predates the current reductions and has dedicated resources allocated to it. CPAs with clients who claimed ERC — especially through third-party promoters — should not assume audit exposure has diminished. The ERC audit defense posture remains as important as ever.

Statute of limitations management becomes more valuable. With examination timelines potentially extending, there is higher risk that informal IRS requests for extensions of the assessment statute (Form 872) will be needed to close existing exams. CPAs should evaluate every consent-to-extend request carefully. Agreeing to extend indefinitely or for excessive periods gives the IRS the time it needs without the client gaining anything. Accepting a time-limited extension with defined scope — or refusing and requiring the IRS to issue a deficiency notice — may be preferable.

Collection Enforcement: What to Expect

Collection enforcement is a mixed picture. Automated collection actions — federal tax liens (NFTLs filed through automated triggers), levies executed through the Federal Payment Levy Program against Social Security payments and federal contractor payments, and automated balance-due notices — continue without meaningful reduction.

What has slowed is human-involved collection: revenue officer assignments for business delinquencies, Trust Fund Recovery Penalty (TFRP) investigations, and hands-on installment agreement negotiations for complex multi-period debts. If a client has an open collection matter requiring a revenue officer, expect longer timelines before assignment. If there is no revenue officer assigned yet, that gap may extend.

For clients with tax liabilities and viable Offer in Compromise cases, the OIC process has not been suspended — but submission-to-decision timelines, already up to 24 months under IRC §7122(f), are likely to lengthen further.

Correspondence and Appeals: Practical Timelines

For CPAs managing active IRS correspondence across a client base, the following adjusted expectations are reasonable for 2026:

These are estimates, not guarantees. The IRS does not publish real-time processing data, and individual cases vary by region, issue type, and examiner workload. The Taxpayer Advocate Service publishes an annual filing season report with processing data; for the most current information, that report (submitted to Congress each year) is the most reliable public benchmark.

Practice Adjustments CPAs Should Make Now

1. Reset client expectations early. Clients accustomed to receiving amended return refunds within a few months or getting correspondence exam issues resolved quickly need updated timelines. Set expectations at the start of the engagement — not when the client calls asking why nothing has happened for four months.

2. Document everything, always. Workforce reductions don't change IRS document retention requirements. If anything, they increase the importance of complete contemporaneous documentation, because when an exam does open — even years later — the examiner will have less institutional context and more reliance on the client's submitted records.

3. File electronically wherever possible. Paper submissions go to the back of the queue. E-file returns, e-file elections, and use electronic portals for correspondence responses wherever the IRS makes them available.

4. Use certified mail with return receipt for every paper submission. Processing delays mean there is elevated risk that a mailed response gets lost in the queue. Certified mail with return receipt gives you a receipt date, which matters for statutory deadlines (CP2000 response windows, protest deadlines, Tax Court petition periods).

5. Build response lead time into your calendar. If a client receives a 30-day letter or a 90-day notice of deficiency, the response windows are statutory and do not extend because the IRS is understaffed. But IRS-to-practitioner callbacks and conference scheduling do take longer — build extra time into your workflow before the statutory deadline, not after.

6. Escalate appropriate cases to TAS. If a client faces imminent economic hardship from an IRS action — a levy about to hit a business account, an erroneous lien blocking a real estate closing, a refund withheld without explanation for more than six months — TAS referral via Form 911 (Request for Taxpayer Advocate Service Assistance) is the appropriate escalation. TAS is slower than it was, but it retains statutory authority to issue Taxpayer Assistance Orders that can compel IRS action.

7. Review Circular 230 obligations around timeliness. Treasury Circular 230 §10.22 requires practitioners to exercise due diligence in all representations before the IRS, including the timeliness of submissions. IRS processing delays are not a defense for missing a statutory deadline. Circular 230 obligations around competence and timeliness apply regardless of agency capacity.

FAQ: IRS Workforce Reduction and CPA Practice

Will the IRS workforce reductions affect when my clients receive tax refunds?

For e-filed returns with straightforward income and credits, the standard 21-day refund window generally continues — electronic processing is largely automated. Paper returns are the significant exception. If your clients file paper returns or submit paper amended returns (Form 1040-X), processing times are materially longer. E-filing is the most direct way to avoid delay-related refund issues.

Are IRS audits less likely now because of the staffing cuts?

Complex audits requiring human examiners — field exams of businesses, multi-year partnership audits, conservation easement reviews — have declined. But automated correspondence audits generated by the Automated Underreporter program continue at similar volume. Clients who underreport income shown on 1099s or W-2s face the same CP2000 risk as before. The workforce cuts reduce human-intensive examination activity, not automated matching.

My client received a 90-day notice of deficiency. Does the 90-day window extend because the IRS is short-staffed?

No. The 90-day window under IRC §6213(a) is statutory. The IRS being short-staffed does not extend it. If a client wants to contest the deficiency without paying first, they must file a Tax Court petition within the 90-day window. Missing that window forfeits Tax Court jurisdiction.

Should I advise clients to agree to statute of limitations extensions (Form 872) during audits?

Carefully. The IRS requests consent to extend the assessment statute when it needs more time to close an exam before the statute expires. With longer processing timelines, these requests may become more common. A blanket refusal triggers the IRS to issue a Notice of Deficiency based on whatever it has in hand — which may be appropriate if the deficiency is defensible. A limited extension (60–120 days, specific issues) may be preferable to an open-ended one. Each situation requires individual analysis, but unlimited or multi-year extensions are rarely in the client's interest.

Is the IRS Taxpayer Advocate Service (TAS) still operational?

Yes, TAS remains operational and retains its statutory authority to assist taxpayers experiencing significant hardship. Its own staffing has been reduced along with the broader IRS, but Form 911 referrals are still processed. TAS is most appropriate when a client faces imminent economic harm — an impending levy, a blocked refund affecting business operations, an erroneous lien — and normal IRS channels have not resolved the issue within a reasonable time.

How does this affect the ERC audit program specifically?

The IRS has publicly stated that ERC compliance is a high-priority enforcement area. The ERC examination program predates the current workforce reductions and has had dedicated resources allocated to it. CPAs with clients who claimed ERC — particularly through promoters — should not assume reduced audit risk because of general staffing cuts. ERC-specific examination activity is expected to continue.

Should I submit paper documents to the IRS any differently?

Use certified mail with return receipt for all paper submissions — not regular mail, not FedEx (unless you understand the exact IRS mailroom procedures at the applicable campus). Keep the green card. Maintain a copy of everything submitted. With longer processing queues, paper submissions face elevated risk of processing delays and, in some cases, a lost-in-the-queue problem that requires resubmission with documentation of the original mailing.

Arvori helps CPAs manage client communications more efficiently — including tracking IRS correspondence timelines, coordinating document requests, and staying ahead of client inquiries during extended processing delays. If your practice is managing more IRS correspondence than your current workflow can absorb, learn how Arvori can help.