The nonenriched form of a food identified and standardized pursuant to Section 110505 may be used as an ingredient of another food only if it comprises less than 25 percent of the total ingredients, or it comprises 25 percent or more of the total ingredients and vitamins and minerals have been added to make it nutritionally equivalent to the enriched form of the ingredient.
Source:
Section 110535, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=110535..