controlled substances - Schedule I-V
What is the carrier for controlled substances - Schedule I-V?
For controlled substances - Schedule I-V, carrier is USPS; restriction type is prohibited; scope is all mail - when distribution is unlawful; conditions is If the distribution of a controlled substance is unlawful under 21 U.S.C. Section 801-971 or implementing regulations, mailing is also unlawful under 18 U.S.C. Section 1716, recorded from its source on 2026-08-04.
the mailing of the substance is also unlawful under 18 U.S.C. § 1716.
— pe.usps.com, retrieved 2026-08-04
- Item category
- controlled substances - Schedule I-V
- Carrier
- USPS our reading
- Restriction type
- prohibited our reading
- Scope
- all mail - when distribution is unlawful our reading
- Conditions
- If the distribution of a controlled substance is unlawful under 21 U.S.C. Section 801-971 or implementing regulations, mailing is also unlawful under 18 U.S.C. Section 1716
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c4_020.htm