U.S. Code > Title 21 Food and Drugs > CHAPTER 9—FEDERAL FOOD, DRUG, AND COSMETIC ACT (§§ 301—399a) > SUBCHAPTER VII—GENERAL AUTHORITY (§§ 371—379dd2) > Part F—National Uniformity for Nonprescription Drugs and Preemption for Labeling or Packaging of Cosmetics (§§ 379r—379s)