California Code, Health and Safety Code - HSC § 111376

(a) The department may adopt regulations relating to brand name or generic mifepristone or any drug used for medication abortion by including brand name or generic mifepristone or any drug used for medication abortion within, or excluding brand name or generic mifepristone or any drug used for medication abortion from, the requirements of this article, whether or not the inclusion or exclusion of the drug is in accordance with federal law.

(b) Notwithstanding any other state law, and consistent with Sections 1 and 1.1 of Article I of the California Constitution, this article shall not apply to brand name or generic mifepristone in the event of a labeling change or in the absence of its United States Food and Drug Administration approval if it is recommended for use by the World Health Organization and its labeling was true and accurate at the time of manufacture, except if the state deems it necessary to address an imminent health or safety concern regarding brand name or generic mifepristone.