Ohio Rev. Code § 3599.10: Corrupt practices - candidate for general assembly shall not be asked to pledge vote.

No person, firm, or corporation shall demand of any candidate for the general assembly any pledge concerning his vote on any legislation, question, or proposition that may come before the general assembly; provided that this shall not be understood to prohibit a reasonable inquiry as to such candidate's views on such question or legislation.

Whoever violates this section is guilty of a corrupt practice and shall be fined not less than five hundred nor more than one thousand dollars.