FAQs - Individual Income Tax

How many years should I keep my Ohio individual income tax records?

You should keep copies of your Ohio individual income tax records for at least four years from the filing deadline or from the date you filed your return. We recommend you keep these records for up to 10 years from the later of the filing due date or the date you filed your return. Your tax return may be reviewed by the Ohio Department of Taxation. If your return is reviewed, you must be able to prove all claims and items listed on your return.

We suggest that you make a copy of your completed return before you mail it to us. Retain this copy in your files along with your W-2's, 1099's and any other pertinent records.

NOTE: If audited by the Ohio Department of Taxation, you may be required to provide tax records greater than four years from the filing deadline.