Update: Feds Withdraw Oral Fluid Collection for CDL Drug Tests Rule - School Transportation News
FMCSA withdraws rule allowing oral fluid collection for CDL drug tests, reverting to urine-only testing.
Aforeworn detected this change in the Trucking / FMCSA Compliance space on July 22, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Low urgency. CDL drivers, motor carriers, and drug testing consortia should confirm how it applies to their specific situation before acting. There is a time constraint attached: N/A. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Trucking / FMCSA Compliance continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed. Regulated niches like Trucking / FMCSA Compliance move faster than most operators can track by hand, which is why Aforeworn watches the official sources for you and flags every material change the moment it appears.
What changed
The rule that would have permitted oral fluid as an alternative specimen for CDL drug tests has been withdrawn. Current urine-only testing requirements remain unchanged.
Who it affects
CDL drivers, motor carriers, and drug testing consortia
What you must do
No immediate action required; continue using urine testing as before.
Deadline
N/A
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