Critical November 2025 Tax Deadlines for Businesses

As the year winds down and holiday preparations ramp up, it’s crucial for businesses to stay on top of key tax deadlines. In November, there are pivotal due dates that those in business must be mindful of to ensure compliance and avoid penalties, particularly around Form 941 and mandatory tax deposits.

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November 10 - Quarterly Payroll Tax Filings

Any business that timely deposited their payroll taxes in full must file Form 941 for the third quarter of 2025 by November 10. Missing this deadline can result in penalties, making it critical for tax planning and compliance efforts.

November 17 - October Payroll and Nonpayroll Tax Deposits

Employers required to deposit on a monthly basis should note that November 17 is the deadline to deposit Social Security, Medicare, and withheld income taxes for October 2025. This deadline also applies to nonpayroll withholding deposits. Ensuring timely deposits is essential to maintaining compliance and financial health.

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Handling Non-Standard Business Days:

Should any deadline fall on a weekend or legal holiday, extensions push the due date to the next business day. It's imperative for businesses to track these adjustments to avoid any late filing.

Disaster Relief Extensions:

In situations where a geographic region is declared a disaster area, filing deadlines may be extended. Business owners can access more detailed guidance on extended filing dates via these resources:

FEMA: FEMA Disaster Declarations
IRS: IRS Tax Relief in Disaster Situations

Staying informed and proactive about these due dates with a detailed calendar can prevent unnecessary complications down the line, ensuring your business remains financially sound as you move into the busy year-end period.

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