(1)    Policy. Each licensed company shall develop, implement, and make available on its Internet site a policy prohibiting any participating driver from using alcohol, or any other intoxicant that may render the participating driver incapable of safely driving, while the participating driver is engaged in transportation network services for the licensed company or is logged on to the licensed company’s digital network.

   (2)   Complaints.

      (a)    Each licensed company shall develop, implement, and make available on its Internet site, complaint procedures for reports of suspected violations of the policy under sub. (1).

      (b)    Upon receipt of a complaint concerning a violation of a licensed company’s policy under sub. (1), the licensed company shall immediately suspend the participating driver and investigate the complaint. The suspension shall continue until the complaint is resolved.

      (c)    Each licensed company shall maintain all records of each investigation under par. (b), including the results of that investigation and any action taken based on that investigation, for at least 2 years after the date the complaint was received by the licensed company.