This term can be used when the goods are transported by rail and road. The seller pays for transportation to the named place of delivery at the frontier. The buyer arranges for customs clearance and pays for transportation from the frontier to his factory. The passing of risk occurs at the frontier.

当货物在陆地边界交货时，无论采用何种运输方式，都可以使用这一术语。如果交货是在目的港、船上或码头上进行的，则 DES 或 DEQ 应该使用术语。