HME
Hazardous materials endorsement (HME) means the authorization for an individual to transport hazardous materials in commerce, an indication of which must be on the individual's commercial driver's license, as provided in the Federal Motor Carrier Safety Administration regulations in 49 CFR part 383.
Source
49 CFR § 1570.3
Scoping language
In addition to the definitions in 1500.3, 1500.5, and 1503.202 of subchapter A, the following terms are used in this subchapter: