California Code, Public Resources Code - PRC § 42284

(a) A retail establishment not specifically required to comply with the requirements of this chapter is encouraged to reduce its distribution of single-use plastic carryout bags.

(b) Pursuant to the provisions of subdivision (g) of Section 42280, any retail establishment that is not a “store,” that provides the department with the irrevocable written notice as specified in subdivision (c), shall be regulated as a “store” for the purposes of this chapter.

(c) The irrevocable written notice shall be dated and signed by an authorized representative of the retail establishment, and shall include the name and physical address of all retail locations covered by the notice. The department shall acknowledge receipt of the notice in writing and shall specify the date the retail establishment will be regulated as a “store,” which shall not be less than 30 days after the date of the department's acknowledgment. The department shall post on its internet website, organized by county, the name and physical location or locations of each retail establishment that has elected to be regulated as a “store.”

(d) This section shall remain in effect only until January 1, 2026, and as of that date is repealed.