Ohio Rev. Code Ann. § 5101.63
(A)
(2) All of the following are subject to division (A)(1) of this section:
(C) The reports made under this section shall be made orally or in writing except that oral reports shall be followed by a written report if a written report is requested by the department. Written reports shall include:
(E) No employer or any other person with the authority to do so shall do any of the following as a result of an employee's having filed a report under this section: