Okla. Stat. tit. 47, § 47-1073: Zero tolerance policy for operating under the influence

of drugs or alcohol.

Courier application service companies shall implement a zero-

tolerance policy against CAS drivers operating under the influence

of drugs or alcohol while providing courier services and shall

provide notice of this policy on its digital network. Upon receipt

of a credible complaint alleging a violation of the zero-tolerance

policy, the CAS shall suspend the CAS driver's access to the CAS's

digital network and shall conduct an investigation into the reported

incident. The suspension shall last the duration of the

investigation.