Cal. Health & Safety Code § 25216.1
(a) Any collection location or intermediate collection location that receives, or any person that transports, spent batteries, as defined in this article, is exempt from the requirements of this chapter concerning the receipt, storage, and transportation of hazardous waste if the batteries are subsequently sent from that collection location to a facility authorized to receive those batteries and all of the following conditions are met:
(1) The collection location is either of the following:
(3) The collection location, transporter, and receiving facility retains a copy of the hazardous waste manifest or bill of lading used during transportation for a period of three years. If a bill of lading is used, the bill of lading shall have, at a minimum, all of the following information: