CDL Disqualification

The federally defined list of offenses that take away a commercial driver's license - including offenses committed in a personal car, and a lower alcohol limit than applies to other drivers.

Looking for a lawyer rather than a definition? Skip to the state-by-state list of Traffic Ticket law firms.

What it means

A commercial driver's license is issued by a state but governed by federal standards, and the federal rules define a set of offenses for which the license must be disqualified for a minimum period. The list includes driving a commercial vehicle with a blood-alcohol level at half the limit that applies to ordinary drivers, refusing a chemical test, leaving the scene of an accident, using a vehicle to commit a felony, and driving a commercial vehicle while the CDL is suspended. A second major offense disqualifies for life, with limited possibility of reinstatement.

What makes the rules unlike ordinary traffic law is that most of the major offenses count when committed in any vehicle, including the driver's own car off duty. A conviction for impaired driving in a personal vehicle disqualifies the commercial license even if the state court imposed no suspension on the ordinary one. A separate schedule of "serious traffic violations" - excessive speeding, reckless driving, improper lane changes, texting or hand-held phone use while driving a commercial vehicle - disqualifies after a second or third conviction within a set period.

Two further federal rules close the usual exits. A state may not "mask" a CDL holder's conviction by diverting it, deferring it, or allowing a plea that keeps it off the record, and the driver must notify their employer and their licensing state of any traffic conviction, in any vehicle, within a short period. Employers are required to check the record before hiring and annually, and a federal clearinghouse now records drug and alcohol testing violations separately from the driving record.

Where this comes from

When people hire a lawyer for this

A commercial driver facing any moving violation - in any vehicle - should ask a lawyer what it does to the CDL before resolving it, because the federal disqualification follows from the conviction itself and no state court can plead around it. The advice is often not about the ticket but about which charge to fight for, since a reduction to a non-listed offense is the only outcome that protects the license.

Worried about the cost? A lawyer can be hired for one part of a case only (limited-scope representation), may be paid from what a claim recovers (contingency fee), or may be free through a pro bono program or legal aid; a court can also waive its own filing fees.

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Related terms

Entries on the same subject:

• Contesting a Traffic TicketWhat a moving violation citation actually is, the difference between an infraction and a traffic misdemeanor, and the procedures - hearing, written defense, traffic school - for answering one.
• Driving Record PointsThe system most states use to score moving violations against a driver's record, with a license suspension when the total crosses a threshold - and an interstate compact that makes an out-of-state ticket count at home.

Other entries in the same area of law, each written from the same primary sources.

• DUI / DWI (Impaired Driving)Driving while impaired by alcohol or drugs - a charge that almost always runs as two separate cases at once, one criminal and one over the license.
• Event Data Recorder (Vehicle Black Box) EvidenceThe crash data a modern vehicle records about itself in the moments before an impact - what the federal standard requires it to capture, who owns it, and who may retrieve it.
• Field Sobriety TestsThe roadside balance, coordination and eye-movement exercises an officer uses to build probable cause for an impaired-driving arrest - usually voluntary, and never the same thing as the chemical test that follows.
• Hours-of-Service Rules (Commercial Trucking)Federal limits on how long a commercial driver may drive and work, and the electronic records that show whether those limits were kept.
• Ignition Interlock DeviceA breath-testing device wired into a vehicle that stops it starting if the driver has been drinking - required by many states after an impaired-driving conviction as a condition of driving at all.
• Implied Consent and Administrative License SuspensionThe rule in every state that by driving you have agreed to a chemical test for alcohol or drugs after a lawful arrest - and the license suspension that follows a refusal or a failed test, separately from any criminal case.
• Leaving the Scene of an Accident (Hit and Run)The legal duties every state imposes on a driver involved in a crash - to stop, to exchange information and to help anyone hurt - and the separate criminal offense of driving away instead.
• Lemon Law and Warranty RightsRules that entitle a buyer to a refund or replacement when a new vehicle has a defect the manufacturer cannot fix in a reasonable number of attempts.
• Negligent Entrustment (Lending a Vehicle)The claim against a person who lent a car to someone they knew, or should have known, was unfit to drive it - the owner's own negligence, separate from the driver's.
• No-Fault Car InsuranceA system in which your own insurer pays your medical bills after a crash regardless of who caused it - used in a minority of states, and it limits when you can sue.
• Odometer Fraud and the Odometer DisclosureRolling back or replacing an odometer to hide a vehicle's true mileage is a federal offense, and every transfer of a vehicle must come with a written mileage statement the buyer can sue over if it is false.
• Permissive Use (Insurance Follows the Car)Which policy pays when someone drives a borrowed car with the owner's permission - the omnibus clause, the exclusions that defeat it, and the owner-liability statutes some states add.
• Policy LimitsThe maximum an insurance policy will pay - and usually the real ceiling on what a claim is worth, whatever the injury.
• Rideshare Accident Insurance (App Periods)Which insurance applies when a rideshare vehicle is in a crash depends on what the driver's app was doing at that moment - the three periods state transportation network company laws define, and the gap that personal policies leave.
• Salvage and Rebuilt TitlesThe title brands a state applies to a vehicle an insurer has declared a total loss, what a rebuilt brand means, and the federal database built to stop a branded title being washed clean in another state.
• SR-22 and Financial Responsibility FilingsThe certificate an insurer files with the state to prove a high-risk driver is carrying the required liability coverage - what triggers it, why it is not itself insurance, and what happens if the policy behind it lapses.
• Tire Defect Claims (Tread Separation and Blowouts)Injury claims after a tire fails, where the question is whether the tire was defectively made or designed, was too old or was recalled, rather than only how the driver reacted.
• Total Loss and Diminished ValueWhat happens when an insurer decides a damaged vehicle is not worth repairing - and the separate claim for a repaired car that is now worth less.
• Uninsured and Underinsured Motorist CoverageCoverage on your own policy that pays when the driver who hurt you had no insurance, or nowhere near enough - and it is the coverage people most often discover they declined.
• Used Car Buyers Guide (FTC Used Car Rule)The window sticker a dealer must display on every used vehicle offered for sale, stating whether it comes with a dealer warranty or as is - and why the sticker overrides the contract.
• Vehicle Safety RecallA manufacturer's federally supervised obligation to notify owners of a safety defect and fix it free of charge - and the rules on what a dealer may sell with a recall still open.

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