Ohio contract law requires that contracts be in writing, and any dispute needs to be brought within six years of the cause of action occurring. The State of Ohio requires all businesses to register with the Ohio Secretary of State's office based on the legal organization of the business.The Ohio Small Business Development Center (SBDC) program is funded in part through a cooperative agreement with the U.S. Small Business. Administration. An employment agreement, whether verbal or written, is considered a contract under Ohio law. It must contain the following elements to be valid:. In order to fill out our free operating agreement template, you'll need your: Name of business. Upon determining the type of business entity you would like to form, our office can assist you in the filing process. Fill out the online registration form. Protecting Small Businesses. Request a free consumer law workshop.