Ohio Rev. Code § 4501.06
The taxes, fees, and fines levied, charged, or referred to in Chapters 4501., 4503., 4504., 4505., 4506., 4507., 4509., 4510., 4511., 4517., 4519., and 4521., division (A) of section 4508.06, and sections 2935.27, 2937.221, 3123.59, 4508.05, 4513.53, 4738.06, 4738.13, and 5502.12 of the Revised Code, unless otherwise designated by law, shall be deposited in the state treasury to the credit of the public safety - highway purposes fund, which is hereby created. Money credited to the fund shall be used for the purpose of enforcing and paying the expenses of administering the laws relative to the registration and operation of motor vehicles on the public roads or highways and to the powers and duties of the registrar of motor vehicles. Amounts credited to the fund may also be used to pay the expenses of administering and enforcing the laws under which such fees were collected. All investment earnings of the public safety - highway purposes fund shall be credited to the fund.
R.C. § 4501.06