Food and Agricultural Code § 11506

At least 10 days prior to the date set for the adoption, amendment, or repeal of the regulations, the commissioner shall mail a copy of the notice of intention to every person who has registered with the commissioner in the manner required by Article 2 (commencing with Section 11731), Chapter 4 of this division, and to any other interested person that has filed with the commissioner a request to receive a notice of such proceedings.