Ohio Revised Code Title XXXVII. Health Safety Morals § 3796.28

(1) Requires an employer to permit or accommodate an employee's use, possession, or distribution of medical marijuana;

(2) Prohibits an employer from refusing to hire, discharging, disciplining, or otherwise taking an adverse employment action against a person with respect to hire, tenure, terms, conditions, or privileges of employment because of that person's use, possession, or distribution of medical marijuana;

(3) Prohibits an employer from establishing and enforcing a drug testing policy, drug-free workplace policy, or zero-tolerance drug policy;

(4) Interferes with any federal restrictions on employment, including the regulations adopted by the United States department of transportation in Title 49 of the Code of Federal Regulations, as amended;

(5) Permits a person to commence a cause of action against an employer for refusing to hire, discharging, disciplining, discriminating, retaliating, or otherwise taking an adverse employment action against a person with respect to hire, tenure, terms, conditions, or privileges of employment related to medical marijuana;

(6) Affects the authority of the administrator of workers' compensation to grant rebates or discounts on premium rates to employers that participate in a drug-free workplace program established in accordance with rules adopted by the administrator under Chapter 4123. of the Revised Code.