Hemp loophole

The hemp loophole refers to a legal disparity created by the Hemp Farming Act of 2018 within the Agriculture Improvement Act of 2018 (the 2018 Farm Bill). By defining legal hemp specifically by its concentration of delta-9-tetrahydrocannabinol (Δ9-THC), the law inadvertently permitted the production and sale of other psychoactive cannabinoids derived from hemp, such as delta-8-THC (Δ8-THC) and tetrahydrocannabinolic acid (THCA).[1]

The loophole has been taken advantage of by a multi-billion dollar "intoxicating hemp" industry that operates largely outside of the regulatory frameworks governing state-legal recreational cannabis. In November 2025, federal legislation was enacted to close the loophole by shifting to a "total THC" standard, effective November 12, 2026.[2]

The 2018 Farm Bill removed hemp from the Controlled Substances Act (CSA) and defined it as the plant Cannabis sativa L. containing no more than 0.3% delta-9 THC on a dry-weight basis.[3] Because the statutory language explicitly named only the Δ9 isomer, other intoxicating compounds (whether naturally occurring in small amounts or synthesized from hemp-derived cannabidiol (CBD)) remained technically compliant with federal law by adhering to the Δ9 limit.

Key substances popularized as a result of the loophole include:

  • Delta-8 THC, a psychoactive isomer of THC typically synthesized from CBD through chemical catalysis. Prior to 2018, such isomers were arguably subject to the Federal Analogue Act as chemical analogues of Δ9-THC.[2]
  • Raw THCA flower (the dried and cured buds of the plant) with high levels of tetrahydrocannabinolic acid; because THCA only converts to Δ9-THC when heated (via decarboxylation), the raw plant often tests below the 0.3% threshold, allowing it to be sold as "hemp" despite being functionally identical to marijuana when smoked.[4]

Judicial and state responses

Between 2021 and 2025, several federal courts upheld the legality of hemp-derived intoxicants. In the landmark 2022 case AK Futures LLC v. Boyd St. Distro, LLC, the United States Court of Appeals for the Ninth Circuit ruled that the 2018 Act legalized all hemp-derived "isomers" and "derivatives," effectively preempting the Federal Analogue Act for hemp-derived products.[3][5] This ruling established that as long as the source plant met the 0.3% Δ9-THC limit, its psychoactive derivatives were not illegal analogues.[6]

Conversely, many states attempted to ban these products through local legislation. In Bio Gen LLC v. Sanders, the United States Court of Appeals for the Eighth Circuit affirmed in 2025 that states retain the authority to regulate hemp more stringently than does federal law, allowing state-level bans on delta-8 and other isomers to remain in force.[7]

2026 Federal closure

On November 12, 2025, President Donald Trump signed the 2026 Extensions Act (H.R. 5371), which included provisions to formally close the hemp loophole. The law introduced two major restrictions:

  • Total THC standard: hemp is redefined to limit the "total THC" (including TCHA and all isomers) to 0.3% on a dry-weight basis.[8]
  • Milligram cap: final consumer products are limited to a maximum of 0.4 milligrams of total THC per container, effectively banning most intoxicating gummies and beverages.[9]

The law provides for a one-year implementation period, with full enforcement beginning in November 2026. Industry analysts estimate this will affect 95% of the existing retail hemp market.[10]

See also

References

  1. ^ Leas, Eric C. (2021). "The Hemp Loophole: A Need to Clarify the Legality of Delta-8-THC and Other Hemp-Derived Tetrahydrocannabinol Compounds". American Journal of Public Health. 111 (11): 1927–1931. doi:10.2105/AJPH.2021.306499. ISSN 1541-0048. PMC 8630489. PMID 34618542.
  2. ^ a b Komyati, Nikolas; Horn, Joshua; Baker, Grant (2025-11-14). "The 2026 Extensions Act and Hemp: What You Need to Know". Fox Rothschild LLP. Retrieved 2026-02-18.
  3. ^ a b Kafka, Dorothy C. (2025-08-20). "The 2018 Farm Bill's Hemp Definition and Legal Challenges to State Laws Restricting Certain THC Products". Congress.gov. Congressional Research Service. Retrieved 2026-02-18.
  4. ^ Jubelirer, Alissa (2025-11-14). "Unintended Consequences of a Federal Hemp Ban". Benesch Law. Retrieved 2026-02-18.
  5. ^ AK Futures LLC v. Boyd Street Distro, LLC, 35 F.4th 682 (9th Cir. 2022-05-19).
  6. ^ "Ninth Circuit rules that Delta-8 THC products are legal under the 2018 Farm Bill". Frantz Ward. 2022-05-20. Retrieved 2026-02-19.
  7. ^ "Bio Gen LLC v. Sanders, No. 23-3237 (8th Cir. 2025)". Justia. 2025-06-24. Retrieved 2026-02-18.
  8. ^ Mayl, Sharon; Gardner, Joshua (2025-11-18). "New federal restrictions on hemp and hemp-derived products". DLA Piper. Retrieved 2026-02-18.
  9. ^ Harrison, Todd A.; Starr, Richard A. (2025-11-14). "Federal Funding Bill Overhauls Hemp Definition, THC Cap". Venable LLP. Retrieved 2026-02-18.
  10. ^ Small, Craig (2025-11-14). "Hemp Industry Alert: Federal Ban on Hemp-Derived THC Products". Clark Hill. Retrieved 2026-02-18.
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