October 2024 Business Due Dates
October 15 - Corporations
File a 2023 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension by April 18.
October 15 - Last Day to Establish a Keogh Account for 2023
If you received an automatic 6-month extension of time to file your 2023 tax return and are self-employed, October 15, 2024, is the last day to establish a Keogh Retirement Account if you plan to make a contribution for 2023.
October 15 - Social Security, Medicare and withheld income tax
October 15 - Nonpayroll Withholding
If the monthly deposit rule applies, deposit the tax for payments in September.
October 31 - Social Security, Medicare and Withheld Income Tax
File Form 941 for the third quarter of 2024. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter in full and on time, you have until November 12 to file the return.
October 31 - Certain Small Employers
Deposit any undeposited tax if your tax liability is $2,500 or more for 2024 but less than $2,500 for the third quarter.
October 31 - Federal Unemployment Tax
Deposit the tax owed through September if more than $500.
Weekends & Holidays:
If a due date falls on a Saturday, Sunday or legal holiday, the due date is automatically extended until the next business day that is not itself a legal holiday.
Disaster Area Extensions:
Please note that when a geographical area is designated as a disaster area, due dates will be extended. For more information whether an area has been designated a disaster area and the filing extension dates visit the following websites:
FEMA: https://www.fema.gov/disaster/declarations
IRS: https://www.irs.gov/newsroom/tax-relief-in-disaster-situations
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