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Tax Due Dates

All due dates assume that the date falls on a business day. If the due date falls on a holiday or weekend, the due date will be the next business day.

2016 Tax Return Due Dates
4th Quarter estimated tax payments are due January 15, 2016.

Individuals

Form 1040 and Ohio – April 15, 2016
If on extension – October 15, 2016

Businesses

Partnerships (Form 1065) - April 15th, 2016
If on extension - September 16, 2016

Corporation (form 1120) / S-Corporations (Form 1120S) - March 15, 2016
If on extension - September 15, 2016

Organizations Exempt from Taxation (Form 990) - 15th day of the 5th month after organization's year end (i.e. June 30 year end, due date is November 15)

Ohio CAT Return (Commercial Activity Tax)
Annual Filers - Due May 12, 2016
Quarterly Filers - Due Dates - 5/10/16, 8/12/16, 11/11/16, 2/10/17

City Returns:

Most cities follow federal due dates
City of Hamilton - April 15, 2016

Requests for extensions are due on the original due date of the return(s).

Please note that an extension to file is not an extension to pay any tax due with the return.

Other:

January 31, 2016 - Deadline for employers to mail w-2's to employees, and for businesses to furnish 1099's.

February 28, 2016 - Deadline for filing form 1099 & 1096 with the IRS.

April 15, 2016 - Last day to make a contribution to a traditional IRA, Roth IRA, Health Savings Account, SEP-IRA, or solo 401(k) for the 2016 yax year.