Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4509.12

(A) The registrar of motor vehicles upon the expiration of twenty days after the receipt of a motor vehicle accident report, required under sections 4509.01 to 4509.78, inclusive, of the Revised Code, shall determine the amount of security which is sufficient to satisfy any judgments for damages resulting from the accident as may be recovered against each driver or owner involved in the accident; provided that in any accident resulting in personal injury such amount shall in no case be less than five hundred dollars. This determination shall not be made with respect to drivers or owners who are exempt under sections 4509.14 to 4509.78, inclusive, of the Revised Code from the requirements as to security and suspension.

(B) The registrar shall determine the amount of security deposit required of any person upon the basis of the reports and other evidence submitted. If a person involved in a motor vehicle accident fails to make a report indicating the extent of his injuries or the damage to his property within thirty days after being requested to furnish additional information and the registrar does not have sufficient evidence on which to base an evaluation of such injuries or damage, then the registrar after reasonable notice to such person, if it is possible to give such notice, otherwise without notice, shall not require any deposit of security for the benefit or protection of such person. However, if the registrar finds that during the time provided in this section it was impossible to determine the extent of such injuries or damage, then such report or information must be furnished by the individual within thirty days after such injuries or damages have been determined.