FMSCA Regulation 377.101
377.101 Applicability.
The rules and regulations in this part apply to the transportation by motor vehicle of c.o.d. shipments by all common carriers of property subject to 49 U.S.C. 13702, except such transportation which is auxiliary to or supplemental of transportation by railroad and performed on railroad bills of lading, and except such transportation which is performed for freight forwarders and on freight forwarder bills of lading.