Ohio Department of Taxation Tax Professionals

This page provides resources and information intended to help professionals engaged in the preparation of Ohio's taxes.

• Ohio Tax Conference 2012 — Here you can find agenda and registration information for the annual conference held in Columbus.

• Tax Forms — Forms for most major taxes can be found here.

• Ohio Taxes — Information on every major tax handled by the Ohio Department of Taxation may be found here.

• News Releases — This page lists statements drafted for the news media on tax policy, filing information, significant events and other items of interest to the general public.

• Information Releases — Information releases are technical advisories that offer detailed explanations of the laws and rules that govern Ohio taxes.

• Online Services — The pages below offer resources for online filing and payment of taxes in Ohio.
  • Income Tax Filing
  • Business Taxes

• Electronic Filing for Tax Preparers — This page is a resources for tax preparers who need information about Ohio's income tax electronic filing requirements.

• Laws/Rules/Rulings — This page offers resources on Ohio's tax laws and rules. It includes formal opinions of the tax commissioner, proposed and final administrative rules and other resources.

• Tax Professional Assistance — Provided here are links to resources and reference information for the department and other state and local government entities.

• Interest Rates — Each year, the Tax Commissioner certifies the interest rates that will apply to overdue taxes during the next calendar year. Current and past interest rates are found here.

• Taxpayer Representation — This page includes the form taxpayers must complete in order to authorize someone else to represent them on tax matters.

• Software Developers — Here are helpful links and other resources for software developers to keep up to date on Ohio's electronic filing requirements.

• Miscellaneous Federal Tax Adjustments — Amendments to the Internal Revenue Code can affect federal adjusted gross income, the starting point for Ohio adjusted gross income. This section will provide updated information.
  • Update — Contains state law changes for current or past years regarding federal adjustments.

• Ohio Tax Hall of Fame — Find out more about this special recognition program, administered jointly by the Department of Taxation and the Ohio Chamber of Commerce.