August 2014
August 11 Employees - who work for tips. If you received $20 or more in tips during July, report them to your employer. You can use Form 4070.
Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the second quarter of 2014. This due date only applies if you deposited the tax for the quarter timely, properly, and in full.
September 2014
September 10 Employees - who work for tips. If you received $20 or more in tips during August, report them to your employer. You can use Form 4070.
September 15 Individuals - Make a payment of your 2014 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment date for estimated tax in 2014.
Corporations - File a 2013 calendar year income tax return (Form 1120) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see March 17.
S Corporations - File a 2013 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see March 17. Provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1.
Partnerships - File a 2013 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension. Otherwise see April 15. Provide each partner with a copy of Schedule K1 (Form 1065) or a substitute Schedule K1.
Corporations - Deposit the third installment of estimated income tax for 2014. A worksheet, Form 1120-W, is available to help you make an estimate of your tax for the year.
October 2014
October 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.
October 15 Individuals - If you have an automatic 6-month extension to file your income tax return for 2013, file Form 1040, 1040A, or 1040EZ and pay any tax, interest, and penalties due.
Electing Large Partnerships - File a 2013 calendar year return (Form 1065-B). This due date applies only if you were given an additional 6-month extension. See March 17 for the due date for furnishing or substituting the Schedules K-1 to the partners.
November 2014
November 10 Employees - who work for tips. If you received $20 or more in tips during October, report them to your employer. You can use Form 4070.
Employees - Social Security, Medicare, and withheld income tax. File Form 941 for the second quarter of 2014. This due date only applies if you deposited the tax for the quarter timely, properly, and in full.
December 2014
December 10 Employees - who work for tips. If you received $20 or more in tips during November, report them to your employer. You can use Form 4070.
December 15 Corporations - Deposit the fourth installment of estimated income tax for 2014. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.