Office of the Federal Register (OFR)

LoS: 21 CFR

Title 21: Food and Drugs

List of Subjects revised as of April 1, 2024.

21 CFR Part 1_General enforcement regulations.: Cosmetics; Drugs; Exports; Food labeling; Imports; Incorporation by reference; Labeling; Reporting and recordkeeping requirements
21 CFR Part 2_General administrative rulings and decisions.: Administrative practice and procedure; Cosmetics; Drugs; Foods
21 CFR Part 3_Product jurisdiction.: Administrative practice and procedure; Biologics; Drugs; Medical devices
21 CFR Part 4_Regulation of combination products.: Biologics; Drugs; Human cells and tissue-based products; Medical devices
21 CFR Part 5_Organization.: Authority delegations (Government agencies); Imports; Organization and functions (Government agencies)
21 CFR Part 7_Enforcement policy.: Administrative practice and procedure; Consumer protection; Reporting and recordkeeping requirements
21 CFR Part 10_Administrative practices and procedures.: Administrative practice and procedure; News media
21 CFR Part 11_Electronic records; electronic signatures.: Computer technology; Reporting and recordkeeping requirements
21 CFR Part 12_Formal evidentiary public hearing.: Administrative practice and procedure
21 CFR Part 13_Public hearing before a public board of inquiry.: Administrative practice and procedure
21 CFR Part 14_Public hearing before a public advisory committee.: Administrative practice and procedure; Advisory committees; Color additives; Drugs; Radiation protection
21 CFR Part 15_Public hearing before the Commissioner.: Administrative practice and procedure
21 CFR Part 16_Regulatory hearing before the Food and Drug Administration.: Administrative practice and procedure
21 CFR Part 17_Civil money penalties hearings.: Administrative practice and procedure; Penalties
21 CFR Part 19_Standards of conduct and conflicts of interest.: Conflict of interests
21 CFR Part 20_Public information.: Confidential business information; Courts; Freedom of information; Government employees
21 CFR Part 21_Protection of privacy.: Privacy
21 CFR Part 25_Environmental impact considerations.: Environmental impact statements; Foreign relations; Reporting and recordkeeping requirements
21 CFR Part 26_Mutual recognition of pharmaceutical good manufacturing practice reports, medical device quality system audit reports, and certain medical device product evaluation reports: United States and the European Community.: Animal; Animal drugs; Biologics; Drugs; Exports; Imports
21 CFR Part 50_Protection of human subjects.: Human research subjects; Prisoners; Reporting and recordkeeping requirements; Safety
21 CFR Part 54_Financial disclosure by clinical investigators.: Biologics; Drugs; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 56_Institutional review boards.: Human research subjects; Reporting and recordkeeping requirements; Safety
21 CFR Part 58_Good laboratory practice for nonclinical laboratory studies.: Laboratories; Reporting and recordkeeping requirements
21 CFR Part 60_Patent term restoration.: Administrative practice and procedure; Drugs; Food additives; Inventions and patents; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 70_Color additives.: Color additives; Cosmetics; Drugs; Labeling; Packaging and containers
21 CFR Part 71_Color additive petitions.: Administrative practice and procedure; Color additives; Confidential business information; Cosmetics; Drugs; Reporting and recordkeeping requirements
21 CFR Part 73_Listing of color additives exempt from certification.: Color additives; Cosmetics; Drugs; Foods; Medical devices
21 CFR Part 74_Listing of color additives subject to certification.: Color additives; Cosmetics; Drugs
21 CFR Part 80_Color additive certification.: Color additives; Cosmetics; Drugs; Reporting and recordkeeping requirements
21 CFR Part 81_General specifications and general restrictions for provisional color additives for use in foods, drugs, and cosmetics.: Color additives; Cosmetics; Drugs
21 CFR Part 82_Listing of certified provisionally listed colors and specifications.: Color additives; Cosmetics; Drugs
21 CFR Part 99_Dissemination of information on unapproved/new uses for marketed drugs, biologics, and devices.: Administrative practice and procedure; Biologics; Drugs; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 100_General.: Administrative practice and procedure; Food labeling; Food packaging; Foods; Intergovernmental relations
21 CFR Part 101_Food labeling.: Food labeling; Incorporation by reference; Nutrition; Reporting and recordkeeping requirements
21 CFR Part 102_Common or usual name for nonstandardized foods.: Beverages; Food grades and standards; Food labeling; Frozen foods; Oils and fats; Onions; Potatoes; Seafood
21 CFR Part 104_Nutritional quality guidelines for foods.: Food grades and standards; Frozen foods; Nutrition
21 CFR Part 105_Foods for special dietary use.: Dietary foods; Food grades and standards; Food labeling; Infants and children
21 CFR Part 106_Infant formula quality control procedures.: Food grades and standards; Infants and children; Nutrition; Reporting and recordkeeping requirements
21 CFR Part 107_Infant formula.: Food labeling; Infants and children; Nutrition; Reporting and recordkeeping requirements; Signs and symbols
21 CFR Part 108_Emergency permit control.: Administrative practice and procedure; Foods; Reporting and recordkeeping requirements
21 CFR Part 109_Unavoidable contaminants in food for human consumption and food-packaging material.: Food packaging; Foods; Polychlorinated biphenyls (PCB's)
21 CFR Part 111_Current good manufacturing practice in manufacturing, packaging, labeling, or holding operations for dietary supplements.: Dietary foods; Drugs; Foods; Packaging and containers
21 CFR Part 112_Standards for the growing, harvesting, packing, and holding of produce for human consumption.: Administrative practice and procedure; Agriculture; Animals; Food grades and standards; Foods; Fruits; Incorporation by reference; Packaging and containers; Reporting and recordkeeping requirements; Safety; Vegetables; Waste treatment and disposal
21 CFR Part 113_Thermally processed low-acid foods packaged in hermetically sealed containers.: Food packaging; Foods; Reporting and recordkeeping requirements
21 CFR Part 114_Acidified foods.: Food packaging; Foods; Reporting and recordkeeping requirements
21 CFR Part 115_Shell eggs.: Eggs and egg products; Foods
21 CFR Part 117_Current good manufacturing practice, hazard analysis, and risk-based preventive controls for human food.: Food packaging; Foods
21 CFR Part 118_Production, storage, and transportation of shell eggs.: Eggs and egg products; Food grades and standards; Reporting and recordkeeping requirements
21 CFR Part 119_Dietary supplements that present a significant or unreasonable risk.: Dietary foods; Food additives; Foods
21 CFR Part 120_Hazard Analysis and Critical Control Point (HACCP) systems.: Foods; Fruit juices; Imports; Reporting and recordkeeping requirements; Vegetable juices
21 CFR Part 121_Mitigation strategies to protect food against intentional adulteration.: Food packaging; Foods
21 CFR Part 123_Fish and fishery products.: Fish; Fisheries; Food grades and standards; Imports; Reporting and recordkeeping requirements; Seafood
21 CFR Part 129_Processing and bottling of bottled drinking water.: Beverages; Bottled water; Food packaging; Reporting and recordkeeping requirements
21 CFR Part 130_Food standards: General.: Food additives; Food grades and standards
21 CFR Part 131_Milk and cream.: Dairy products; Food grades and standards; Milk
21 CFR Part 133_Cheeses and related cheese products.: Dairy products; Food grades and standards; Food labeling
21 CFR Part 135_Frozen desserts.: Food grades and standards; Food labeling; Frozen foods; Ice cream
21 CFR Part 136_Bakery products.: Bakery products; Food grades and standards
21 CFR Part 137_Cereal flours and related products.: Foods; Food grades and standards
21 CFR Part 139_Macaroni and noodle products.: Food grades and standards
21 CFR Part 145_Canned fruits.: Food grades and standards; Fruits
21 CFR Part 146_Canned fruit juices.: Food grades and standards; Fruit juices
21 CFR Part 150_Fruit butters, jellies, preserves, and related products.: Food grades and standards; Fruits
21 CFR Part 155_Canned vegetables.: Food grades and standards; Vegetables
21 CFR Part 156_Vegetable juices.: Food grades and standards; Vegetable juices
21 CFR Part 158_Frozen vegetables.: Food grades and standards; Frozen foods; Vegetables
21 CFR Part 160_Eggs and egg products.: Eggs and egg products; Food grades and standards
21 CFR Part 161_Fish and shellfish.: Food grades and standards; Frozen foods; Seafood
21 CFR Part 163_Cacao products.: Cacao products; Food grades and standards
21 CFR Part 164_Tree nut and peanut products.: Food grades and standards; Nuts; Peanuts
21 CFR Part 165_Beverages.: Beverages; Bottled water; Food grades and standards
21 CFR Part 166_Margarine.: Food grades and standards; Food labeling; Margarine
21 CFR Part 168_Sweeteners and table sirups.: Food grades and standards; Sugar
21 CFR Part 169_Food dressings and flavorings.: Food grades and standards; Oils and fats; Spices and flavorings
21 CFR Part 170_Food additives.: Administrative practice and procedure; Food additives; Reporting and recordkeeping requirements
21 CFR Part 171_Food additive petitions.: Administrative practice and procedure; Food additives
21 CFR Part 172_Food additives permitted for direct addition to food for human consumption.: Food additives; Reporting and recordkeeping requirements
21 CFR Part 173_Secondary direct food additives permitted in food for human consumption.: Food additives
21 CFR Part 174_Indirect food additives: general.: Food additives; Food packaging
21 CFR Part 175_Indirect food additives: adhesives and components of coatings.: Adhesives; Food additives; Food packaging
21 CFR Part 176_Indirect food additives: Paper and paperboard components.: Food additives; Food packaging
21 CFR Part 177_Indirect food additives: Polymers.: Food additives; Food packaging
21 CFR Part 178_Indirect food additives: Adjuvants, production aids, and sanitizers.: Food additives; Food packaging
21 CFR Part 179_Irradiation in the production, processing and handling of food.: Food additives; Food labeling; Food packaging; Radiation protection; Reporting and recordkeeping requirements; Signs and symbols
21 CFR Part 180_Food additives permitted in food on an interim basis or in contact with food pending additional study.: Food additives
21 CFR Part 181_Prior-sanctioned food ingredients.: Food additives; Food packaging
21 CFR Part 182_Substances generally recognized as safe.: Food additives; Food packaging; Spices and flavorings
21 CFR Part 184_Direct food substances affirmed as generally recognized as safe.: Food additives
21 CFR Part 186_Indirect food substances affirmed as generally recognized as safe.: Food additives; Food packaging
21 CFR Part 189_Substances prohibited from use in human food.: Food additives; Food packaging
21 CFR Part 190_Dietary supplements.: Food additives; Reporting and recordkeeping requirements
21 CFR Part 200_General.: Drugs; Prescription drugs
21 CFR Part 201_Labeling.: Drugs; Labeling; Reporting and recordkeeping requirements
21 CFR Part 202_Prescription drug advertising.: Advertising; Prescription drugs
21 CFR Part 203_Prescription drug marketing.: Labeling; Prescription drugs; Reporting and recordkeeping requirements; Warehouses
21 CFR Part 205_Guidelines for State licensing of wholesale prescription drug distributors.: Intergovernmental relations; Prescription drugs; Reporting and recordkeeping requirements; Security measures; Warehouses
21 CFR Part 206_Imprinting of solid oral dosage form drug products for human use.: Drugs
21 CFR Part 207_Registration of producers of drugs and listing of drugs in commercial distribution.: Drugs; Reporting and recordkeeping requirements
21 CFR Part 208_Medication guides for prescription products.: Labeling; Prescription drugs; Reporting and recordkeeping requirements
21 CFR Part 209_Requirements for authorized dispensers and pharmacies to distribute a side effects statement.: Drugs; Prescription drugs
21 CFR Part 210_Current good manufacturing practice in manufacturing, processing, packing, or holding of drugs: General.: Drugs; Packaging and containers
21 CFR Part 211_Current good manufacturing practice for finished pharmaceuticals.: Drugs; Labeling; Laboratories; Packaging and containers; Prescription drugs; Reporting and recordkeeping requirements; Warehouses
21 CFR Part 212_Current good manufacturing practice for positron emission tomography drugs.: Drugs; Labeling; Laboratories; Packaging and containers; Prescription drugs; Reporting and recordkeeping requirements
21 CFR Part 216_Pharmacy compounding.: Drugs; Prescription drugs
21 CFR Part 225_Current good manufacturing practice for medicated feeds.: Animal drugs; Animal feeds; Labeling; Packaging and containers; Reporting and recordkeeping requirements
21 CFR Part 226_Current good manufacturing practice for Type A medicated articles.: Animal drugs; Animal feeds; Labeling; Packaging and containers; Reporting and recordkeeping requirements
21 CFR Part 250_Special requirements for specific human drugs.: Drugs
21 CFR Part 290_Controlled drugs.: Drugs; Labeling
21 CFR Part 299_Drugs: official names and established names.: Drugs
21 CFR Part 300_General.: Drugs; Prescription drugs
21 CFR Part 310_New drugs.: Administrative practice and procedure; Drugs; Labeling; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 312_Investigational new drug application.: Drugs; Exports; Imports; Investigations; Labeling; Medical research; Reporting and recordkeeping requirements; Safety
21 CFR Part 314_Applications for FDA approval to market a new drug.: Administrative practice and procedure; Confidential business information; Drugs; Reporting and recordkeeping requirements
21 CFR Part 315_Diagnostic radiopharmaceuticals.: Biologics; Drugs
21 CFR Part 316_Orphan drugs.: Administrative practice and procedure; Drugs; Investigations; Medical research; Reporting and recordkeeping requirements
21 CFR Part 320_Bioavailability and bioequivalence requirements.: Drugs; Reporting and recordkeeping requirements
21 CFR Part 328_Over-the-counter drug products intended for oral ingestion that contain alcohol.: Alcohol and alcoholic beverages; Labeling; Over-the-counter drugs
21 CFR Part 329_Nonprescription human drug products subject to section 760 of the Federal Food, Drug, and Cosmetic Act.: Alcohol and alcoholic beverages; Over-the-counter drugs; Reporting and recordkeeping requirements
21 CFR Part 330_Over-the-counter (OTC) human drugs which are generally recognized as safe and effective and not misbranded.: Over-the-counter drugs
21 CFR Part 331_Antacid products for over-the-counter (OTC) human use.: Labeling; Over-the-counter drugs
21 CFR Part 332_Antiflatulent products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 333_Topical antimicrobial drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 335_Antidiarrheal drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 336_Antiemetic drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 338_Nighttime sleep-aid drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 340_Stimulant drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 341_Cold, cough, allergy, bronchodilator, and antiasthmatic drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 343_Internal analgesic, antipyretic, and antirheumatic drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 344_Topical otic drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 346_Anorectal drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 347_Skin protectant drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 348_External analgesic drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 349_Ophthalmic drug products for over-the-counter human use.: Labeling; Ophthalmic goods and services; Over-the-counter drugs
21 CFR Part 350_Antiperspirant drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 352_Sunscreen drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 355_Anticaries drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 357_Miscellaneous internal drug products for over-the-counter human use.: Labeling; Over-the-counter drugs; Reporting and recordkeeping requirements
21 CFR Part 358_Miscellaneous external drug products for over-the-counter human use.: Labeling; Over-the-counter drugs
21 CFR Part 361_Prescription drugs for human use generally recognized as safe and effective and not misbranded: drugs used in research.: Medical research; Prescription drugs; Radiation protection
21 CFR Part 369_Interpretative statements re warnings on drugs and devices for over-the-counter sale.: Labeling; Medical devices; Over-the-counter drugs
21 CFR Part 500_General.: Animal drugs; Animal feeds; Cancer; Incorporation by reference; Labeling; Packaging and containers; Polychlorinated biphenyls (PCB's)
21 CFR Part 501_Animal food labeling.: Animal foods; Packaging and containers; Reporting and recordkeeping requirements
21 CFR Part 502_Common or usual names for nonstandardized animal foods.: Animal foods; Labeling
21 CFR Part 507_Current good manufacturing practice, hazard analysis, and risk-based preventive controls for food for animals.: Animal foods; Labeling; Packaging and containers; Reporting and recordkeeping requirements
21 CFR Part 509_Unavoidable contaminants in animal food and food-packaging material.: Animal foods; Packaging and containers; Polychlorinated biphenyls (PCB's)
21 CFR Part 510_New animal drugs.: Administrative practice and procedure; Animal drugs; Labeling; Reporting and recordkeeping requirements
21 CFR Part 511_New animal drugs for investigational use.: Animal drugs; Medical research; Reporting and recordkeeping requirements
21 CFR Part 514_New animal drug applications.: Administrative practice and procedure; Animal drugs; Confidential business information; Reporting and recordkeeping requirements
21 CFR Part 515_Medicated feed mill license.: Administrative practice and procedure; Animal drugs; Confidential business information; Reporting and recordkeeping requirements
21 CFR Part 516_New animal drugs for minor use and minor species.: Administrative practice and procedure; Animal drugs; Confidential business information; Reporting and recordkeeping requirements
21 CFR Part 520_Oral dosage form new animal drugs.: Animal drugs
21 CFR Part 522_Implantation or injectable dosage form new animal drugs.: Animal drugs
21 CFR Part 524_Ophthalmic and topical dosage form new animal drugs.: Animal drugs; Incorporation by reference
21 CFR Part 526_Intramammary dosage forms.: Animal drugs
21 CFR Part 528_Intentional Genomic Alterations in Animals.: Animal drugs
21 CFR Part 529_Certain other dosage form new animal drugs.: Animal drugs
21 CFR Part 530_Extralabel drug use in animals.: Administrative practice and procedure; Advertising; Animal drugs; Labeling; Reporting and recordkeeping requirements
21 CFR Part 556_Tolerances for residues of new animal drugs in food.: Animal drugs; Dairy products; Foods; Incorporation by reference; Meat and meat products
21 CFR Part 558_New animal drugs for use in animal feeds.: Animal drugs; Animal feeds
21 CFR Part 570_Food additives.: Animal feeds; Animal foods; Food additives
21 CFR Part 571_Food additive petitions.: Administrative practice and procedure; Animal feeds; Animal foods; Food additives
21 CFR Part 573_Food additives permitted in feed and drinking water of animals.: Animal feeds; Food additives
21 CFR Part 579_Irradiation in the production, processing, and handling of animal feed and pet food.: Animal feeds; Animal foods; Radiation protection
21 CFR Part 582_Substances generally recognized as safe.: Animal feeds; Animal foods; Food additives
21 CFR Part 584_Food substances affirmed as generally recognized as safe in feed and drinking water of animals.: Animal feeds; Food additives
21 CFR Part 589_Substances prohibited from use in animal food or feed.: Animal feeds; Animal foods; Food additives
21 CFR Part 600_Biological products: General.: Biologics; Reporting and recordkeeping requirements
21 CFR Part 601_Licensing.: Administrative practice and procedure; Biologics; Confidential business information
21 CFR Part 606_Current good manufacturing practice for blood and blood components.: Blood; Labeling; Laboratories; Reporting and recordkeeping requirements
21 CFR Part 607_Establishment registration and product listing for manufacturers of human blood and blood products not licensed devices.: Blood
21 CFR Part 610_General biological products standards.: Biologics; Labeling; Reporting and recordkeeping requirements
21 CFR Part 630_Requirements for blood and blood components intended for transfusion of for further manufacturing use.: Blood; Reporting and recordkeeping requirements
21 CFR Part 640_Additional standards for human blood and blood products.: Blood; Labeling; Reporting and recordkeeping requirements
21 CFR Part 660_Additional standards for diagnostic substances for laboratory tests.: Biologics; Labeling; Reporting and recordkeeping requirements
21 CFR Part 680_Additional standards for miscellaneous products.: Biologics; Blood; Reporting and recordkeeping requirements
21 CFR Part 700_General.: Cosmetics; Packaging and containers
21 CFR Part 701_Cosmetic labeling.: Cosmetics; Labeling; Reporting and recordkeeping requirements
21 CFR Part 710_Voluntary registration of cosmetic product establishments.: Cosmetics
21 CFR Part 720_Voluntary filing of cosmetic product ingredient composition statements.: Confidential business information; Cosmetics
21 CFR Part 740_Cosmetic product warning statements.: Cosmetics; Labeling
21 CFR Part 800_General.: Administrative practice and procedure; Medical devices; Ophthalmic goods and services; Packaging and containers; Reporting and recordkeeping requirements
21 CFR Part 801_Labeling.: Labeling; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 803_Medical device reporting.: Imports; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 806_Medical devices; reports of corrections and removals.: Imports; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 807_Establishment registration and device listing for manufacturers and initial importers of devices.: Confidential business information; Imports; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 808_Exemptions from Federal preemption of State and local medical device requirements.: Intergovernmental relations; Medical devices
21 CFR Part 809_In vitro diagnostic products for human use.: Labeling; Medical devices
21 CFR Part 810_Medical device recall authority.: Administrative practice and procedure; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 812_Investigational device exemptions.: Health records; Medical devices; Medical research; Reporting and recordkeeping requirements
21 CFR Part 814_Premarket approval of medical devices.: Administrative practice and procedure; Confidential business information; Medical devices; Medical research; Reporting and recordkeeping requirements
21 CFR Part 820_Quality system regulation.: Medical devices; Reporting and recordkeeping requirements
21 CFR Part 821_Medical device tracking requirements.: Imports; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 822_Postmarket surveillance.: Medical devices; Reporting and recordkeeping requirements
21 CFR Part 830_Unique device identification.: Administrative practice and procedure; Incorporation by reference; Labeling; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 860_Medical device classification procedures.: Administrative practice and procedure; Medical devices
21 CFR Part 861_Procedures for performance standards development.: Administrative practice and procedure; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 862_Clinical chemistry and clinical toxicology devices.: Medical devices
21 CFR Part 864_Hematology and pathology devices.: Blood; Medical devices; Packaging and containers
21 CFR Part 866_Immunology and microbiology devices.: Biologics; Laboratories; Medical devices
21 CFR Part 868_Anesthesiology devices.: Medical devices
21 CFR Part 870_Cardiovascular devices.: Medical devices
21 CFR Part 872_Dental devices.: Medical devices
21 CFR Part 874_Ear, nose, and throat devices.: Medical devices
21 CFR Part 876_Gastroenterology-urology devices.: Medical devices
21 CFR Part 878_General and plastic surgery devices.: Medical devices
21 CFR Part 880_General hospital and personal use devices.: Medical devices
21 CFR Part 882_Neurological devices.: Medical devices
21 CFR Part 884_Obstetrical and gynecological devices.: Medical devices
21 CFR Part 886_Ophthalmic devices.: Medical devices; Ophthalmic goods and services
21 CFR Part 888_Orthopedic devices.: Medical devices
21 CFR Part 890_Physical medicine devices.: Medical devices
21 CFR Part 892_Radiology devices.: Medical devices; Radiation protection; X-rays
21 CFR Part 895_Banned devices.: Administrative practice and procedure; Labeling; Medical devices
21 CFR Part 898_Performance standard for electrode lead wires and patient cables.: Administrative practice and procedure; Medical devices
21 CFR Part 900_Mammography.: Electronic products; Health facilities; Medical devices; Radiation protection; Reporting and recordkeeping requirements; X-rays
21 CFR Part 1000_General.: Electronic products; Radiation protection; Reporting and recordkeeping requirements; X-rays
21 CFR Part 1002_Records and reports.: Electronic products; Radiation protection; Reporting and recordkeeping requirements
21 CFR Part 1003_Notification of defects or failure to comply.: Administrative practice and procedure; Electronic products; Radiation protection
21 CFR Part 1004_Repurchase, repairs, or replacement of electronic products.: Electronic products; Radiation protection
21 CFR Part 1005_Importation of electronic products.: Administrative practice and procedure; Electronic products; Imports; Radiation protection; Surety bonds
21 CFR Part 1010_Performance standards for electronic products: General.: Administrative practice and procedure; Electronic products; Exports; Radiation protection
21 CFR Part 1020_Performance standards for ionizing radiation emitting products.: Electronic products; Medical devices; Radiation protection; Reporting and recordkeeping requirements; Television; X-rays
21 CFR Part 1030_Performance standards for microwave and radio frequency emitting products.: Electronic products; Microwave ovens; Radiation protection
21 CFR Part 1040_Performance standards for light-emitting products.: Electronic products; Labeling; Lasers; Medical devices; Radiation protection; Reporting and recordkeeping requirements
21 CFR Part 1100_General.: Administrative practice and procedure; Cigars and cigarettes; Smoking; Tobacco
21 CFR Part 1105_General.: Administrative practice and procedure; Cigarettes and tobacco; Tobacco
21 CFR Part 1107_Exemption requests and substantial equivalence reports.: Administrative practice and procedure; Cigars and cigarettes; Smoking; Tobacco
21 CFR Part 1114_Premarket tobacco product applications: Administrative practice and procedure; Cigars and cigarettes; Smoking; Tobacco
21 CFR Part 1140_Cigarettes, smokeless tobacco, and covered tobacco products.: Advertising; Labeling; Smoking; Tobacco
21 CFR Part 1141_Required warnings for cigarette packages and advertisements.: Advertising; Incorporation by reference; Labeling; Packaging and containers; Smoking; Tobacco
21 CFR Part 1143_Minimum required warning statements.: Advertising; Labeling; Packaging and containers; Smoking; Tobacco
21 CFR Part 1150_User fees.: Fees; Tobacco products
21 CFR Part 1210_Regulations under the Federal Import Milk Act.: Administrative practice and procedure; Imports; Milk; Public health; Reporting and recordkeeping requirements
21 CFR Part 1230_Regulations under the Federal Caustic Poison Act.: Administrative practice and procedure; Labeling; Packaging and containers; Poison prevention
21 CFR Part 1240_Control of communicable diseases.: Communicable diseases; Public health; Travel restrictions; Water supplies
21 CFR Part 1250_Interstate conveyance sanitation.: Air carriers; Foods; Maritime carriers; Motor carriers; Public health; Railroads; Water supplies
21 CFR Part 1271_Human cells, tissues, and cellular and tissue-based products.: Biologics; Communicable diseases; Drugs; HIV/AIDS; Human cells and tissue-based products; Medical devices; Reporting and recordkeeping requirements
21 CFR Part 1300_Definitions.: Chemicals; Drug traffic control
21 CFR Part 1301_Registration of manufacturers, distributors, and dispensers of controlled substances.: Administrative practice and procedure; Drug traffic control; Exports; Imports; Security measures
21 CFR Part 1302_Labeling and packaging requirements for controlled substances.: Drug traffic control; Exports; Imports; Labeling; Packaging and containers
21 CFR Part 1303_Quotas.: Administrative practice and procedure; Drug traffic control
21 CFR Part 1304_Records and reports of registrants.: Drug traffic control; Reporting and recordkeeping requirements
21 CFR Part 1305_Orders for Schedule I and II controlled substances.: Drug traffic control; Reporting and recordkeeping requirements
21 CFR Part 1306_Prescriptions.: Drug traffic control; Prescription drugs
21 CFR Part 1307_Miscellaneous.: Drug traffic control
21 CFR Part 1308_Schedules of controlled substances.: Administrative practice and procedure; Drug traffic control; Reporting and recordkeeping requirements
21 CFR Part 1309_Registration of manufacturers, distributors, importers and exporters and List I chemicals.: Administrative practice and procedure; Drug traffic control; Exports; Imports
21 CFR Part 1310_Records and reports of listed chemicals and certain machines; importation and exportation of certain machines.: Administrative practice and procedure; Drug traffic control; Exports; Imports; Reporting and recordkeeping requirements
21 CFR Part 1311_Requirements for electronic orders and prescriptions.: Administrative practice and procedure; Control substances; Drug traffic control; Prescription drugs; Reporting and recordkeeping requirements
21 CFR Part 1312_Importation and exportation of controlled substances.: Administrative practice and procedure; Drug traffic control; Exports; Imports; Reporting and recordkeeping requirements
21 CFR Part 1313_Importation and exportation of List I and List II chemicals.: Administrative practice and procedure; Drug traffic control; Exports; Imports; Reporting and recordkeeping requirements
21 CFR Part 1314_Retail sale of scheduled listed chemical products.: Drug traffic control; Reporting and recordkeeping requirements
21 CFR Part 1315_Importation and production quotas for ephedrine, pseudoephedrine, and phenylpropanolamine.: Administrative practice and procedure; Chemicals; Drug traffic control; Imports; Reporting and recordkeeping requirements
21 CFR Part 1316_Administrative functions, practices, and procedures.: Administrative practice and procedure; Authority delegations (Government agencies); Drug traffic control; Research; Seizures and forfeitures
21 CFR Part 1317_Disposal.: Drug traffic control; Security measures
21 CFR Part 1318_Controls to satisfy the requirements of the Act applicable to the manufacturing of marihuana.: Administrative practice and procedure; Drug traffic control
21 CFR Part 1321_DEA mailing addresses.: Administrative practice and procedure; Drug traffic control; Reporting and recordkeeping requirements
21 CFR Part 1401_Public availability of information.: Freedom of information
21 CFR Part 1402_Mandatory declassification review.: Classified information

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