Ohio Const. art. VIII, § 6

No laws shall be passed authorizing any county, city, town or township, by vote of its citizens, or otherwise, to become a stockholder in any joint stock company, corporation, or association whatever; or to raise money for, or to loan its credit to, or in aid of, any such company, corporation, or association: provided, that nothing in this section shall prevent the insuring of public buildings or property in mutual insurance associations or companies. Laws may be passed providing for the regulation of all rates charged or to be charged by any insurance company, corporation or association organized under the laws of this state, or doing any insurance business in this state for profit. Effective: January 1, 1913