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.

How do I update the contact information and/or tax rate that has been submitted to the Department of Taxation?

A blank certification form is posted on the Department's website at .  This form can be mailed to the address listed on the form, faxed or e-mailed to  Please contact the Business Tax Division at 1-844-238-0403 with additional questions.