Cal. Pub. Res. Code § 42057
(a)
(2) Source reduction shall be achieved by a PRO in the following manner:
(B)
(c) As part of any producer responsibility plan, plan update, or annual report submitted to the department, the PRO shall report the following data, disaggregated by each participant producer:
(d) Producers who are members of the PRO shall submit to the PRO individual source reduction plans that include both of the following:
(2) The amount of plastic covered material, by number of plastic components and weight of plastic covered material, the producer plans to source reduce by January 1, 2027, January 1, 2030, and January 1, 2032. The producer shall describe how much will be source reduced in each of the following ways:
(f) As part of the producer responsibility plan, the PRO shall include a source reduction plan designed to meet the requirements of this section. The source reduction plan shall be disaggregated based on the individual producer source reduction plans and shall meet both of the following requirements:
(h) To ensure source reductions achieved by January 1, 2032, are not lost after January 1, 2032, while still allowing for businesses to grow, the department shall, beginning in the 2030 calendar year and every five years thereafter, conduct an evaluation of the plastic covered material subject to this section to determine if actions to secure greater source reductions are necessary. If the number of plastic components or weight of plastic covered material has increased, the department shall make this determination. If the department determines that there has been an increase in the number of plastic components or the overall weight of plastic covered material, the department shall take the following actions to secure greater source reductions:
(1) Require the PRO to ensure participant producers increase the rate of source reduction through shifting a plastic covered material to reusable or refillable packaging or food service ware or through eliminating plastic components. In requiring these higher source reduction rates, the department shall consider all of the following:
(i) Producers of expanded polystyrene food service ware shall not sell, offer for sale, distribute, or import in or into the state expanded polystyrene food service ware unless the producer demonstrates to the department that all expanded polystyrene meets the following recycling rates: