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.

Must I submit copies of W-2s, 1099s, K-1s or supporting documentation with my return?

When filing your Ohio tax return using Ohio I-File, you will be required to enter information from these documents in order to complete your return. Once you complete your Ohio I-Filing, the department requires no additional forms to be sent to us. We suggest that you print a copy of your return when completed and retain with all other records used to prepare your return, including W-2s, 1099s, and K-1 documents. 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.

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