October 2020 Business Due Dates
October 15 - Corporations
File a 2019 calendar year income tax return (Form 1120 or 1120-A) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an additional 3-month extension by July 15th.
October 15 - Taxpayers with Foreign Financial Interests
If you received an automatic 6-month extension of time to report your 2019 foreign financial accounts to the Department of the Treasury, this is the due date for Form FinCEN 114.
October 15 - Social Security, Medicare and withheld income taxIf the monthly deposit rule applies, deposit the tax for payments in September.
October 15 - Nonpayroll Withholding
If the monthly deposit rule applies, deposit the tax for payments in September.
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