Federal Shutdown Worsened IRS Backlog and Delayed Tax Refunds

The federal government shutdown that began in the fall of 2025 placed significant strain on IRS operations, worsening existing processing backlogs and delaying tax refunds for millions of Americans. Understanding what happened — and what it means for taxpayers heading into the 2026 filing season — can help you take steps to protect your refund.

IRS Backlog Expanded During the Federal Government Shutdown

Reduced Operations and Furloughed Federal Workers

When the shutdown forced a significant portion of the IRS workforce into furlough, only essential functions continued — including electronic filing, direct deposit processing, and criminal investigations. Non-essential services were suspended, Taxpayer Assistance Centers closed, and incoming mail went unprocessed as paper returns accumulated.

The IRS characterized the resulting accumulation as a "correspondence backlog" and warned that full recovery could take months even after federal funding was restored — a concern that proved well-founded based on how prior shutdowns played out.

Tax Return Processing and Paper Delays

IRS paper return processing was already under pressure before the shutdown. A GAO report released in January 2025 found that the agency was missing its paper return targets, with an average processing time of approximately 20 days for those filings. The shutdown halted mail operations entirely, pushing those delays further.

Each week of limited operations extended the recovery timeline for taxpayers waiting on refunds — a pattern consistent with what the agency experienced during the 2018–2019 shutdown, after which the IRS took close to a year to fully clear its backlog.

Ripple Effects Across Federal Programs

The IRS backlog was part of a wider strain across the federal government during the funding lapse. Programs that millions of Americans rely on for income support and food security also faced disruption, compounding the financial pressure on households already waiting on delayed refund payments.

Tax Refund Delays and the Impact on Taxpayers

Workers Without Pay and a Budget Deadlock

While lawmakers debated a continuing resolution to restore funding, federal employees went without pay, and businesses waiting on refunds or credits faced cash-flow challenges. The shutdown's economic toll extended well beyond the IRS itself — delayed refund payments pushed many households toward missed bills or added debt during an already uncertain period.

IRS Filing Season Setbacks

The shutdown's timing created real risks for the 2026 filing season. Training, system updates, and software testing were postponed, and paper return processing stopped entirely during the funding lapse. Refunds requiring manual review faced the longest delays, creating a cascading backlog across the system.

Taxpayers who filed electronically with direct deposit were best positioned to receive their refunds with minimal disruption. Those who submitted paper returns faced significantly longer waits once operations resumed.

Business and Program Disruptions

The Taxpayer Advocate Service has documented in past shutdowns — including 2018–2019 — that it can take the IRS close to a year to clear its backlog after a prolonged funding lapse. The 2025 shutdown raised similar concerns, particularly for businesses awaiting refunds or credits and for low-income families affected by delays in food and nutrition assistance programs.

The Path to Restoring IRS Operations

Restoring Full Government Operations

Restoring full government operations was essential to protecting taxpayers and preventing delays from continuing deep into the next filing year. Without a fully staffed IRS, form updates and system changes risked introducing errors that would further slow processing — adding to the burden on both affected workers and taxpayers.

Calls for Modernization and Reform

The GAO has consistently urged Congress to fund long-term technology upgrades at the IRS to prevent future processing breakdowns. Tax experts agree that recurring funding lapses only deepen administrative inefficiencies and erode public trust in the federal tax system. Stable, sustained funding — combined with modernization investment — remains the most reliable way to protect timely refund processing for all taxpayers.

What Taxpayers Should Do Now

The IRS recommends filing electronically and choosing direct deposit to receive refunds as quickly as possible, regardless of whether a funding disruption is active. Paper returns carry longer processing times under normal conditions and are the first to be affected when IRS staffing is reduced.

If you are still waiting on a refund from a prior tax year, or if the shutdown created complications for your return, a licensed tax professional can help you determine your options and communicate with the IRS on your behalf.

Official Sources

• GAO Report: 2024 Filing Season Performance (GAO-25-107375)
• IRS Newsroom
• Taxpayer Advocate Service: Government Shutdown Recovery Report

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