Monsanto v. Durnell · ¶50

Here, just like an EPA regulation providing that a pesticide need not include a “DANGER” warning on its label, EPA’s registration determination that Roundup’s label need not include a cancer warning constitutes a federal labeling requirement that cannot be altered by state law, including state tort suits. That is because those registration determinations, just like EPA’s regulations, “give content to FIFRA’s misbranding standards.” Ibid.

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