§ 392.64 Riding within closed commercial motor vehicles without proper exits.

PART 392—DRIVING OF COMMERCIAL MOTOR VEHICLES, last amended 2016-12-12

No person shall ride within the closed body of any commercial motor vehicle unless there are means on the inside thereof of obtaining exit. Said means shall be in such condition as to permit ready operation by the occupant.

Official text from the eCFR. The eCFR is an authoritative but unofficial editorial compilation; the Federal Register is the legal source.