The director will examine all ingredients used in feed on the basis of materials, label and advertising claims, and generally accepted usage, and determine whether each is a drug, food additive, special purpose additive or nutritional ingredient.
Cal. Code Regs. Tit. 3, § 2689
Note: Authority cited: Sections 407 and 14902, Food and Agricultural Code. Reference: Sections 14991 and 14992(e), Food and Agricultural Code.