(a) A towing company shall establish an alcohol and drug testing policy for towing operators. A towing company that establishes an alcohol and drug testing policy under this subsection may adopt the model alcohol and drug testing policy adopted by the commission or may use another alcohol and drug testing policy that the department determines is at least as stringent as the policy adopted by the commission.
(b) The commission by rule shall adopt a model alcohol and drug testing policy for use by a towing company. The model alcohol and drug testing policy must be designed to ensure the safety of the public through appropriate alcohol and drug testing and to protect the rights of employees. The model alcohol and drug testing policy must:
(1) require at least one scheduled drug test each year for each towing operator; and
(2) authorize random, unannounced alcohol and drug testing for towing operators.