USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Regulations

Legacy ID
506

Substance Abuse Professionals

Substance Abuse Professionals (SAPs) are licensed or certified professionals that have knowledge not only of the diagnosis and treatment of alcohol and controlled substances related disorders, but also of DOT drug and alcohol testing and return-to-duty processes as required by §40.281. A DOT-...

Drug Testing Laboratories

Drug testing laboratories must be certified by the Department of Health and Human Services. These laboratories receive, analyze and report laboratory confirmed results only to MROs. Regulations concerning drug testing laboratories are found in 49 CFR Part 40 Subpart F, Subpart Q and Subpart R...

Medical Review Officer

Medical Review Officers (MRO) are licensed physicians who have been trained and certified to review the lab results and to validate whether a test is positive. MROs receive laboratory confirmed urine drug test results; determine whether there is a legitimate medical explanation for a laboratory...

Urine Collectors

Urine collectors collect specimens using Part 40 procedures, ship the specimens to Department of Health and Human Services (HHS) certified laboratories for analysis, and distribute copies of the Federal Drug Testing Custody and Control Form (CCF) to thelaboratory, medical review officer,...

Medical Examiner Responsibilities

Responsibilities of Medical Examiners are outlined in CFR Title 49, Chapter II Subpart E §391.43 Medical examination; certificate of physical examination.

Cargo Securement Rules

On September 27, 2002, the Federal Motor Carrier Safety Administration (FMCSA) published new cargo securement rules. Motor carriers operating in interstate commerce must comply with the new requirements beginning January 1, 2004. The new rules are based on the North American Cargo Securement...

Small Passenger-Carrying Vehicles

The Federal Motor Carrier Safety Administration (FMCSA) has safety regulatory oversight of commercial van operations and for-hire operators of small passenger-carrying vehicles that engage in interstate commerce.  Motor carriers are subject to regulatory oversight when their vehicles are...