Essential August 2025 Tax Deadlines for Businesses

Staying on top of critical IRS filing dates is crucial for maintaining compliance and avoiding penalties. Here's a detailed look at the important tax deadlines for businesses in August 2025. From quarterly filings to payroll tax deposits, this guide ensures you’re up-to-date with all the essentials.

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August 11 - Form 941 for Q2
Ensure your Form 941 for the second quarter of 2025 is filed by this date if all taxes for the quarter were deposited in full and on time. This compliance step is vital for proper payroll management.

August 15 - Monthly Deposit Deadline
Employers adhering to the monthly deposit rule must ensure that deposits for Social Security, Medicare, and withheld income tax for July 2025 are made by August 15. Similarly, this deadline applies to the nonpayroll withholding deposits. Timeliness here safeguards against potential financial penalties.

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Weekends & Holidays:

Federal guidelines automatically extend any due date falling on a weekend or a legal holiday to the next business day that is not a holiday. Mark your calendars accordingly to ensure compliance.

Disaster Area Extensions:
Businesses situated within designated disaster areas qualify for extended tax deadlines. To verify and update your understanding of these extensions, visit FEMA and IRS for the latest disaster declarations and related tax relief.

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