President Trump’s steep global tariffs have supercharged efforts to evade them. Some U.S. companies say the government is ill equipped to keep up.

The CIT ensures judicial review for civil actions arising from U.S. customs and international trade laws, both domestically and internationally. It has exclusive jurisdiction over disputes about tariffs imposed by U.S. Customs and Border Protection and any decision made by the U.S. International Trade Commission, according to its website.

A threatened 50% EU tariff impacts talks, and businesses explore the lesser-known "first sale rule" workaround to save money.