136. The carrier shall ensure that the conveyance used for the transport of packages complies with Section 64, 65 and 66.
137. Category II-YELLOW or III-YELLOW packages or overpacks shall not be carried in compartments occupied by passengers, except those exclusively reserved for couriers specially authorized to accompany such packages or overpacks.
138. No person other than the driver and/or his assistant is permitted in road vehicles carrying packages, overpacks or freight containers bearing category II-YELLOW or category III-YELLOW labels.