General Income Tax Forms

In addition to the forms below, Cincinnati tax forms are available at all branches of the Hamilton County Public Library, the Information Desk located inside Cincinnati City Hall, or our offices at 805 Central Avenue, Suite 600, Cincinnati, OH.

ACH Credit Registration Form

The ACH Credit Registration Form is used to register employers for the ACH Credit Electronic Filing Program, which permits them to file their withholding payments electronically. To file using the ACH Credit Program, please contact your bank to ensure that they can process ACH credit transactions. If your bank does offer this service, ask for their ACH transmission schedule. Visit the  ACH Credit Program page for information about this program.

Extension Request

The Extension Request is used by all taxpayers to request an extension of time (maximum of six months) for the purpose of filing their City of Cincinnati Income Tax Return.

New Account Application Form

The New Account Application Form is the worksheet completed by all taxpayers to establish a new City of Cincinnati tax account.

Taxpayer Information Sheet

The Taxpayer Information Sheet is used to document residential addresses and employment history of taxpayers.

Power Of Attorney Form

The Power of Attorney Form is prepared to give someone other than the taxpayer authority to discuss your Cincinnati tax account.