Cal. Health & Safety Code § 113986
(a) Food shall be protected from cross-contamination by utilizing one or more of the following methods:
(1) Separating raw food of animal origin during transportation, storage, preparation, holding, and display from raw ready-to-eat food, including other raw food of animal origin such as fish for sushi or molluscan shellfish, or other raw ready-to-eat food such as produce, and cooked ready-to-eat food in any of the following ways:
(2) Except when combined as ingredients, separating types of raw foods of animal origin from each other during transportation, storage, preparation, holding, and display in the following ways:
(b) Subparagraph (D) of paragraph (2) of subdivision (a) of this section shall not apply to any of the following: