Instruments of International Traffic

Lift vans, cargo vans, shipping tanks, skids, pallets, caul boards, and cores for textile fabrics, arriving (whether loaded or empty) in use or to be used in the shipment of merchandise in international traffic. (USTTA1)

Lift vans, cargo vans, shipping tanks, skids, pallets, caul boards, and
cores for textile fabrics, arriving (whether loaded or empty) in use or to
be used in the shipment of merchandise in international traffic are
designated as "instruments of international traffic" (IIT) within the
meaning of section 322(a0, Tariff Act of 1930, as amended. Upon Customs
acceptance of a type 3 bond, covering these IIT types, such instruments may
be released without entry or the payment of duty, subject to the provisions
of 19 CFR 10.41a.