Hampton v. United States

The Tariff Act of 1922 contains the following duty provision:

12. Barium carbonate, precipitated, 1 cent per pound; barium chloride, 1% cents per pound; barium dioxide, 4 cents per pound; barium hydroxide, 1% cents per pound; and barium nitrate, 2 cents per pound.

That act also contains the following administrative provision:

Sec. 315. (a) That in order to regulate the foreign commerce of the United States and to put into force and effect the policy of the Congress by this act intended, whenever the President, upon investigation of the differences in costs of production of articles wholly or in…