October Tax Dates
Get a copy of Form 509
with all important calendar dates and information.
Individual - Oct 10
Employees who work for tips
. If you received $20 or more in tips during September, report them to your employer. You can use Form 4070.
Individual - Oct 15
. 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
Business - Oct 15
. 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 17, earlier.