„Duty“

A tax levied by a government on the import or export of goods.
(Note: The U.S. Constitution forbids the levying of taxes by the U.S. on exports. However, most foreign governments do not have this restriction,)

Gwartney, James D., Richard L. Stroup, and Russell S. Sobel. “Economics: Private and Public Choice.” 13th ed. South-Western Cengage Learning, 2012.