If your charity does not have tax exempt status, please provide the Ohio Attorney General's Affirmation of IRS Status Form. In addition to registering, most charitable organizations must file annual reports with the Ohio Attorney General's Office using the online registration system.If you want to apply for federal tax exemption for your charity or nonprofit, complete form 1023 and send it to the IRS with the required attachments and fee. Charities and donors can use this page to search for a charity. A common first step is to determine the most appropriate legal form for your charity (e.g. , nonprofit corporation, unincorporated nonprofit association, etc.). Bystep guide on how to fill out a Goodwill tax donation receipt. This form is available at our stores in Maine, New Hampshire and Vermont. During registration your organization will be required to submit its creating documents and the Federal Tax Exemption Determination Letter. This article presents general guidelines for Ohio nonprofit organizations as of the date written and should not be construed as legal advice.