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Essential Business Tax Deadlines in August 2025

Staying compliant with IRS deadlines is crucial for businesses to avoid penalties. August 2025 brings important dates, especially regarding Form 941 and payroll tax deposits. This guide helps businesses navigate these deadlines effectively.

August 11 - Quarterly Payroll Tax Filings
Businesses must file Form 941 for the second quarter of 2025 by August 11, provided they have deposited the taxes for the quarter in full and on time. This measure ensures compliance with payroll tax obligations.

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August 15 - Monthly Payroll Tax Deposits
For employers who follow the monthly deposit rule, August 15 is the deadline to deposit July 2025's Social Security, Medicare, and withheld income taxes. It's also the due date for nonpayroll withholding deposits.

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Weekends & Holidays:
If a tax due date falls on a Saturday, Sunday, or legal holiday, it is extended to the next business day. This provides businesses with flexibility in scheduling their tax affairs.

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Disaster Area Extensions:

In federally designated disaster areas, tax due dates can be extended. Business owners should consult the following resources to determine if their area qualifies for extensions:
FEMA: https://www.fema.gov/disaster/declarations
IRS: https://www.irs.gov/newsroom/tax-relief-in-disaster-situations

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