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Key Tax Deadlines: October 2025 Must-Know Dates

October ushers in crisp autumn air and critical tax deadlines. For those who filed a 6-month extension, October 15 marks your final opportunity to submit your 2024 Form 1040 and settle any taxes owed. Ensure you meet this deadline to avoid unnecessary penalties.

October 10 - Report Tips to Employer

If you work in a position where tips are a key component of your income, and you garnered over $20 in tips during September, it's crucial to report them to your employer by October 10 using IRS Form 4070. Employers are then responsible for withholding FICA taxes and income tax from your standard wages. Should your typical earnings fall short of covering these withholdings, the employer will note the uncollected amount in box 8 of your W-2 form. You'll need to address this uncollected withholding when you file your annual return.Image 3

October 15 - Taxpayers with Foreign Financial Interests

If you received a 6-month grace period to declare your 2024 foreign financial accounts, October 15 is the final date to file FinCEN Form 114 with the Department of the Treasury. This deadline is significant for those with complex international financial arrangements.Image 2

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October 15 - Individuals

The October 15 deadline is also crucial for individuals who opted for an automatic 6-month extension to file their income tax return for 2024. Ensure you submit Form 1040 and remit any due taxes, interest, and penalties.

Weekends & Holidays:

Keep in mind, if any due date lands on a Saturday, Sunday, or recognized legal holiday, the deadline extends to the next business day that isn’t a holiday.

Disaster Area Extensions:

For those in designated disaster locales, deadlines can be prolonged. To verify if your area is classified as such and to understand the extended filing dates, reference these sources:
FEMA: FEMA Disaster Declarations
IRS: IRS Disaster Tax Relief

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