Frequently Asked Questions

The Ohio Department of Taxation has compiled a list of frequently asked questions covering many different categories.

To view the questions, click on the "Select Category" bar and then click on the category you are interested in.  A list of questions will appear pertaining to that category. Then click on the question you are inquiring about and the answer will appear.

When is the return due?

The tax return must be filed electronically via the Ohio Business Gateway by the 15th day of the fourth month after the end of the taxpayer’s taxable year.  If the due date falls on a weekend or holiday, the report or payment is due the next business day.

Month of FY End

Annual Return

December April 15
January May 15
February June 15
March July 15
April August 15
May September 15
June October 15
July November 15
August December 15
September January 15
October February 15
November March 15