As Congress struggles to reach a funding agreement, the federal government shutdown is beginning to ripple through the U.S. tax system. For most taxpayers, the effects might seem distant until they file their returns this month. But for the millions who filed for an extension until October 15, the timing couldn’t be worse.
With the IRS running on limited staff and resources, even small disruptions could lead to refund delays, communication breakdowns, and compliance headaches that carry financial consequences.
With the federal government partially shut down, the IRS is operating with minimal staff and restricted funding.
While core systems remain active, processing functions for extended filers who postponed their 2024 returns to the October 15 deadline are now facing potential disruptions.
According to Investopedia (Oct. 6, 2025), taxpayers filing during the extension window may see longer turnaround times for return processing, refunds, and notices.
For CPAs, tax attorneys, and business owners, the timing could not be worse:
If the shutdown continues into mid-October, IRS backlogs could spill over into the 2026 filing season, creating compounding administrative delays. Congressional negotiations will ultimately determine when normal operations resume, but tax professionals should prepare for a slow return to full service.
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