California Code, Public Resources Code - PRC § 14524

(a) A certified recycling center to the consumer or dropoff or collection center for each beverage container redeemed by the consumer or dropoff or collection center. With respect to consumers returning containers to recycling centers, the refund value shall not be subject to tax under the Personal Income Tax Law (Part 10 (commencing with Section 17001) of Division 2 of the Revenue and Taxation Code) or the Corporation Tax Law (Part 11 (commencing with Section 23001) of Division 2 of the Revenue and Taxation Code).

(b) A processor to a certified recycling center, dropoff or collection program, or curbside program, for each beverage container received from the certified recycling center, dropoff or collection program, or curbside program.

(c) The department to a processor, for each beverage container received by the processor from a certified recycling center, curbside program, or dropoff or collection program.