Gov(opens in a new window). These are the business forms currently available to file online: File a New Business or Register a Name, Update an Existing Business Record, Certificates.Each corporation that is subject to the franchise tax must file an Ohio corporation franchise tax report. Ohio corporation franchise tax identification number. In this guide, you'll find information on naming your corporation, getting a Statutory Agent, the fees you'll need to pay, business taxes and much more. All Ohio corporations must have a registered agent on file, and submit their name and address (which cannot be a PO box). Are you looking register an LLC or Corporation in Ohio? Let's take a look at how to form a Ohio Corporation or LLC.