Mailing Restrictions (Cannabis and THC Products)

Cannabis and THC-containing products cannot be mailed or shipped through the U.S. Postal Service or private carriers. This rule applies regardless of license status, destination, or intent.

Mailing violations are federal issues and can trigger serious enforcement consequences.

What This Covers

  • Federal restrictions on mailing cannabis and THC products
  • Limits on using USPS and private carriers
  • Narrow exceptions for hemp-derived products
  • Enforcement agencies and consequences

What the Law Prohibits

Federal law restricts mailing and shipping of cannabis products.

  • Cannabis and THC products are federally illegal to mail
  • USPS may not accept or transport cannabis
  • Private carriers are also prohibited from transporting cannabis
  • License status does not change federal mailing restrictions

Hemp and Limited Exceptions

Explains when hemp-derived products may be shipped.

  • Hemp-derived products may only be shipped if they meet federal THC limits
  • Products must comply with the 2018 Farm Bill definition of hemp
  • Proper documentation must accompany shipments
  • Non-compliant hemp products are treated as illegal cannabis

Enforcement and Oversight

Identifies agencies involved in mailing enforcement.

  • United States Postal Service (USPS)
  • Department of Justice (DOJ)
  • U.S. Customs and Border Protection (CBP)

Violations may result in:

  • Product seizure
  • Criminal charges
  • Civil penalties
  • License consequences in some cases

What Operators Usually Miss

  • State cannabis licenses do not override federal mailing laws
  • Private carriers follow the same federal restrictions as USPS
  • Improper hemp documentation can trigger enforcement

When This Comes Up

  • Considering shipping products to customers or partners
  • Sending samples or promotional items
  • Moving inventory across state lines
  • Using third-party logistics or fulfillment services

What Happens If You Ignore This

  • Seized shipments
  • Federal enforcement action
  • Financial penalties
  • Increased scrutiny across agencies

Related Pages

Source Material