Publication 52 - Hazardous, Restricted, and Perishable Mail > 4 Restricted Matter
4 Restricted Matter
41 General
411 Definition
412 Mailer Responsibility
413 Rulings
414 Nonmailable Matter Found in the Mails
42 Intoxicating Liquors
421 Definition
422 Mailability
422.1 Nonmailable Matter
422.2 Mailable Liquors
423 Packaging and Marking
423.1 General
423.2 Denatured Flammable or Combustible Liquor
43 Firearms
431 Definitions
431.1 Firearm
431.2 Handguns
431.3 Antique Firearm
431.4 Rifles and Shotguns
431.5 Federal Firearms Licensee (FFL)
431.6 Air Guns
432 Mailability
432.1 General
432.2 Handguns
432.3 Rifles and Shotguns
432.4 Indemnity Claims
433 Legal Opinions on Mailing Firearms
434 Replica or Inert Explosive Devices
435 Nonmailable Firearms Found in the Mails
44 Knives and Sharp Instruments
441 Definitions
441.1 General
441.2 Switchblade Knife
442 Mailability
443 Packaging and Marking
443.1 General
443.2 Marking
444 Nonmailable Knives in the Mails
45 Other Restricted Materials
451 Liquids, Powders, and Odor-Producing Materials
451.1 Definitions
451.2 Mailability
451.3 Packaging and Marking
452 Motor Vehicle Master Keys and Locksmithing Devices
452.1 Definitions
452.2 Mailability
452.3 Packaging and Marking
452.4 Nonmailable Matter Found in the Mails
453 Controlled Substances and Drugs
453.1 Definitions
453.2 Mailer Responsibility
453.3 Mailability
453.4 Packaging and Marking
453.5 Rulings
453.6 Nonmailable Matter Found in the Mails
453.7 Mail-back Programs
453.8 Undeliverable Medicines
454 Unsolicited Promotional Samples
454.1 Definition
454.2 Mailability
454.3 Certificate Compliance
454.4 Customer Objection to Unsolicited Matter
454.5 Rulings
455 Building Construction Material
455.1 Definition
455.2 Mailability
455.3 Rulings
455.4 Nonmailable Matter Found in the Mails
456 Lottery
456.1 Definition
456.2 Mailability
456.3 Nonmailable Determination
46 Animal-Fighting Ventures
461 Definitions
461.1 Animal
461.2 Animal-Fighting Venture
461.3 Animal-Fighting Accessory
461.4 Animal-Fighting Matter
462 Mailability
47 Cigarettes, Smokeless Tobacco, and Electronic Nicotine Delivery Systems
471 Definitions
471.1 Cigarette
471.2 Smokeless Tobacco
471.3 Cigar
471.4 Roll-Your-Own Tobacco
471.5 Electronic Nicotine Delivery System (ENDS)
471.6 Covered Product
471.7 Consumer Testing
471.8 State
471.9 Minimum Age
472 Covered Products Generally Nonmailable
472.1 General
472.2 Treatment of Nonmailable Covered Products
472.3 Reasonable Cause to Suspect Covered Products
472.4 Applicability of Other Laws and Regulations
472.5 Recordkeeping
473 Mailability Exceptions
473.1 Scope of Exceptions
473.2 Intra-Alaska and Intra-Hawaii Shipments
473.3 Exception for Business/Regulatory Purposes
473.4 Exception for Certain Individuals
473.5 Consumer-Testing Exception
473.6 Public Health Exception
473.7 Suspension or Revocation of Eligibility
474 Additional Guidance
474.1 Interpretative Guidance
474.2 Exclusion of Products Approved for Tobacco Cessation or Therapeutic Purposes