Code of Federal Regulations Title 21, Volume 6, April 1, 2017 contains regulations governing Food and Drugs and may also be referenced as: - Code of Federal Regulations Title 21, Volume 6, April 1, 2017 - CFR Title 21 - CFR 21, Food and Drugs - CFR 21, Parts 500 to 599, Food and Drugs This volume contains Parts 500 to 599: - Part 500; GENERAL - Part 501; ANIMAL FOOD LABELING - Part 502; COMMON OR USUAL NAMES FOR NONSTANDARDIZED ANIMAL FOODS - Part 507; CURRENT GOOD MANUFACTURING PRACTICE, HAZARD ANALYSIS, AND RISK-BASED PREVENTIVE CONTROLS FOR FOOD FOR ANIMALS - Part 509; UNAVOIDABLE CONTAMINANTS IN ANIMAL FOOD AND FOOD-PACKAGING MATERIAL - Part 510; NEW ANIMAL DRUGS - Part 511; NEW ANIMAL DRUGS FOR INVESTIGATIONAL USE - Part 514; NEW ANIMAL DRUG APPLICATIONS - Part 515; MEDICATED FEED MILL LICENSE - Part 516; NEW ANIMAL DRUGS FOR MINOR USE AND MINOR SPECIES - Part 520; ORAL DOSAGE FORM NEW ANIMAL DRUGS - Part 522; IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS - Part 524; OPHTHALMIC AND TOPICAL DOSAGE FORM NEW ANIMAL DRUGS - Part 526; INTRAMAMMARY DOSAGE FORM NEW ANIMAL DRUGS - Part 528; NEW ANIMAL DRUGS IN GENETICALLY ENGINEERED ANIMALS - Part 529; CERTAIN OTHER DOSAGE FORM NEW ANIMAL DRUGS - Part 530; EXTRALABEL DRUG USE IN ANIMALS - Part 556; TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD - Part 558; NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS - Part 564; Reserved - Part 570; FOOD ADDITIVES - Part 571; FOOD ADDITIVE PETITIONS - Part 573; FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS - Part 579; IRRADIATION IN THE PRODUCTION, PROCESSING, AND HANDLING OF ANIMAL FEED AND PET FOOD - Part 582; SUBSTANCES GENERALLY RECOGNIZED AS SAFE - Part 584; FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE IN FEED AND DRINKING WATER OF ANIMALS - Part 589; SUBSTANCES PROHIBITED FROM USE IN ANIMAL FOOD OR FEED - Parts 590-599; Reserved