The U.S. Department of Transportation (DOT) has recently issued its final rule to amend regulations, allowing oral fluid testing for employees in the transportation industry. This development is set to streamline the drug testing process, offering a more efficient alternative to existing procedures, particularly in shy-bladder scenarios. The Notice of this rule is scheduled to be published in the Federal Register on May 2, 2023. You can find the notice here: DEPARTMENT OF TRANSPORTATION Billing Code No. 4910-9X P