Cal. Pub. Res. Code § 42968.40

(a) No later than January 1, 2029, a person that, as part of the installation of a covered product, removes a covered product from a residence or business shall transport, or contract to transport, all of the removed covered products to an approved collection site. Covered material collected at an approved collection site shall be transported to a recycling facility designated by the producer responsibility organization.
(b) An approved collection site shall ensure that covered products are collected in the prescribed conditions required by the approved producer responsibility plan. The conditions shall include, but are not limited to, the following requirements:
1. (1) A covered product shall be kept in a location that allows it to remain dry at all times.
2. (2) A container holding a collected covered product shall be free of all contaminated discarded waste items.
3. (3) An approved collection site shall permit a processor’s prescribed container to be housed on site for loading and for pickup at the approved collection site, if the processor is approved by the producer responsibility plan.