California Code, Public Resources Code - PRC § 42294

(a) Every wholesaler of plastic trash bags of 1.0 mil or greater thickness sold in this state shall certify to the board the name and physical location of each manufacturer from whom it purchased plastic trash bags for purposes of inclusion in the annual report required by subdivision (c).

(b) On and after January 1, 1995, every wholesaler of trash bags of 0.75 mil or greater thickness sold in this state shall certify to the board the name and physical location of each manufacturer from whom it purchased plastic trash bags for purposes of inclusion in the annual report required by subdivision (c).

(c) On or before March 1, 1994, and annually thereafter, each wholesaler shall submit a report to the board containing the certification required by this section for the preceding calendar year, together with any other information that the board may require by regulation.