Cal. Food & Agric. Code § 59647

The notice to handlers which requires them to file the lists shall be published by the director pursuant to Section 6062 of the Government Code in the capital of the state and in such other localities as the director may require, and shall be mailed to all handlers of the commodity that are directly affected, of record with the department. The lists of producers shall be filed by handlers within 10 days from the last date of publication of the notice.