Estimated payments can be made electronically. You can also file an extension.Make your check or money order payable to the Treasurer of State of Ohio. It is our aim to make payment as convenient as possible. Please make a payment here or contact us at 888-301-8885. Gov(opens in a new window). Filing a FAFSA is the single most important thing you can do to get money for college. Odyssey eFileOHâ„¢ is now available in the Ohio Court of Claims.