Cal. Code Regs. tit. 3, § 473 – Sale Outside of California.

(a) The product is registered in accordance with sections 38941-38946 of the Food and Agricultural Code. The registration shall state the intent for sale outside of California and the reason why the product fails to meet the requirements of section 38901 et seq. of the Food and Agricultural Code.
(b) Products manufactured for sale outside of California shall be kept physically segregated from products manufactured for sale in California. If individual containers are packaged in cartons, the carton shall be identified on the top or side with the statement in letters not less than one-half inch in height “FOR SALE OUTSIDE OF CALIFORNIA.”
If individual containers are transported in single service or multi-use open cases, each individual container shall be identified in a manner acceptable to the director.

A product resembling a milk product may be processed in California for sale outside of California, even though it may not meet all California requirements, provided the following conditions are complied with: