; and (2) may include statements regarding the intended effect of the substance on the structure or function of the body of animals, as set forth in section 201(tt)(1). . (d) Misbranded food Section 403 of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 343 ) is amended by adding at the end the following: (z) If it is a zootechnical animal food substance and the labeling of the food does not include the statement required by section 409(l)(1). .