41 C.F.R. § 102-117.180 What transportation documents must I use to ship freight?
Title 41 - Public Contracts and Property Management
To ship freight: (a) By land (domestic shipments), use a bill of lading; (b) By land (international shipments), use the GBL; (c) By ocean, use an ocean bill of lading, when suitable, along with the GBL; and (d) By air, use a bill of lading.
Title 41: Public Contracts and Property Management
PART 102–117—TRANSPORTATION MANAGEMENT
Subpart E—Shipping Freight
§ 102-117.180 What transportation documents must I use to ship freight?

