Article One of the United States Constitution
In contrast to these rulings, the Supreme Court also continues to follow the precedent set by Wickard v. Filburn. In Gonzales v. Raich it ruled that the Commerce Clause granted Congress the authority to criminalize the production and use of home-grown cannabis even where states approve its use for medicinal purposes. The court held that, as with the agricultural production in the earlier case, home-grown cannabis is a legitimate subject of federal regulation because it competes with marijuana that moves in interstate commerce.