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IMPORTANT DEADLINE: Individuals and C-Corporations
October 15, 2019
INDIVIDUALS: If you have an automatic 6-month extension to file your income tax return for 2018, file Form 1040 and pay any tax, interest, and penalties due.
C-Corporations: File a 2018 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. Otherwise, see April 15, earlier.