Washington, DC
Firm Alert
(by Melanie Lampton)
On May 11, 2026, the U.S. Department of Transportation (DOT) published a final rule amending its drug and alcohol procedures under 49 CFR Part 40. DOT addresses implementation issues associated with oral fluid drug testing and updates terminology to align with Executive Order (E.O.) 14168, Defending Women from Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. The rule becomes effective June 10, 2026.
Background:
On May 2, 2023, DOT amended Part 40 to add oral fluid testing as an additional drug testing method and, in certain situations, to require a directly observed collection to be an oral fluid test as opposed to a urine test. However, because there are currently no U.S. Department of Health and Human Services (HHS)-certified laboratories available to perform oral fluid testing, employers cannot yet utilize this testing method under Part 40.
To correct this practical impossibility, DOT published a notice of proposed rulemaking (NPRM) on December 9, 2024, proposing to amend Part 40 for an interim period to permit directly observed urine collections in certain situations where oral fluid collection is not yet available. Additionally, on October 1, 2025, DOT published a supplemental NPRM proposing to replace the word “gender” with “sex” in Part 40 to be consistent with E.O. 14168.
Key Highlights of the Final Rule:
- Directly Observed Urine Collections: DOT amends Part 40 to allow employers to use directly observed urine collections in situations where oral fluid testing would otherwise be required, so long as oral fluid testing is not available.
Kate W. Millikan has been welcomed to Babst Calland as senior counsel in the corporate and commercial practice group in the Harrisburg office, the firm announced Thursday. Millikan told Law360 Pulse she has been with the firm for about a month and is “happy and pleased” about her addition to the firm.