Investigation
Investigation means an examination of motor carrier operations and records, such as drivers' hours of service, maintenance and inspection, driver qualification, commercial driver's license requirements, financial responsibility, crashes, hazardous materials, and other safety and transportation records, to determine whether a motor carrier meets safety standards, including the safety fitness standard under 385.5 of this subchapter, or, for intrastate motor carrier operations, the applicable State standard.
Source
49 CFR § 350.105
Scoping language
Unless specifically defined in this section, terms used in this part are subject to the definitions in 49 CFR part 390. As used in this part: