November 2017 Business Due Dates

November 10 - Social Security, Medicare and Withheld Income Tax

File Form 941 for the third quarter of 2017. This due date applies only if you deposited the tax for the quarter in full and on time.

November 15 - Social Security, Medicare and Withheld Income Tax

If the monthly deposit rule applies, deposit the tax for payments in October.

November 15 - Nonpayroll Withholding

If the monthly deposit rule applies, deposit the tax for payments in October.

November 15 - Corporations

File a 2016 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 automatic 6-month extension.