California Code, Health and Safety Code - HSC § 25219.1

(a) Notwithstanding any other provision of law, including, but not limited to, any other provision of this chapter, the federal battery management act shall be deemed to be the law of this state with regard to the easy removability, environmental labeling, collection, storage, and transportation of federally regulated batteries, and any battery that is a federally regulated battery shall be managed in accordance with the federal battery management act.

(b) It is the intent of subdivision (a) to make the necessary changes in state law to allow the department to seek and maintain the approval of the Administrator of the Environmental Protection Agency to implement and enforce the requirements of subsection (a) of Section 104 of the federal battery management act.