Monsanto v. Durnell · ¶116

As the majority sees it, the EPA’s registration of a pesticide and approval of its label creates a federal requirement that the manufacturer use the label exactly as the EPA approved it. Ante, at 11. Here, the majority says, because the EPA approved Roundup’s label without a cancer warning, state law cannot require Roundup’s label to include one. Ante, at 11, 14.

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