Source
49 CFR § 390.21
Scoping language
General. Every self-propelled CMV subject to subchapter B of this chapter must be marked as specified in paragraphs (b), (c), and (d) of this section, and each unit of intermodal equipment interchanged or offered for interchange to a motor carrier by an intermodal equipment provider subject to subchapter B of this chapter must be marked as specified in paragraph (g) of this section.