2018 Farm Bill hemp definition (7 U.S.C. 1639o)

[L1] 7 U.S.C. 1639o (section 297A of the Agricultural Marketing Act of 1946) defines "hemp" as the plant Cannabis sativa L. and any part of that plant, including derivatives, extracts, cannabinoids, isomers, acids, salts, and salts of isomers, with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis. Source: 7 U.S.C. 1639o, GovInfo
[L1] This definition is amended effective Nov 12, 2026; see Federal hemp change. Source: Pub. L. 119-37, Sec. 781, GovInfo

Thynk Industries, DBA Zero Human Thynk — The nation's premier cannabis, hemp, kratom, psychedelics, peptides & nicotine compliance experts since 2009. trial policy wiki, not legal advice. Sources: official government text only.

Authority tiers: L1 statute, L2 final/temporary rule, L3 official guidance, L4 pending bill/proposed rule, L5 news/lead/commentary (never law). Sources checked: 2026-10-30.