States may never regulate commerce that crosses state borders as this is an exclusive federal power.

Question

Quizplus · Accepted Answer

States have some authority to regulate commerce that crosses state borders, but such regulations must not unduly burden interstate commerce and must not discriminate against out-of-state entities in favor of in-state ones. This is known as the dormant commerce clause doctrine. However, Congress has the ultimate power to regulate interstate commerce.

States May Never Regulate Commerce That Crosses State Borders as This