Cal. Food & Agric. Code § 64563

Upon the issuance of any regulations which affect this chapter, a copy of the regulations shall be posted on a bulletin board which shall be maintained by the director in his office. A copy of such regulations shall also be published in a newspaper of general circulation published in Sacramento, California, and in any other newspaper which the director may prescribe. No regulation shall become effective until five days after the date of such posting and publication. The director shall mail a copy of the notice of the issuance of the regulations to every person that is directly affected by the regulations whose name and address may be on file in the office of the director and to every person who files in the office of the director a written request for such notice.