California Delta-10 THC Ban (2026): In Force

Ban in force

As of November 12, 2026, Delta-10 THC is banned from retail sale in California, effective January 1, 2026. Delta-10 THC illegal: products with synthetic cannabinoids banned, including THC converted from CBD (Bus. & Prof. Code 26070.2(d)).

Verified November 12, 2026. Full determination, citations and verbatim law: Is Delta-10 THC legal in California?

When does the California Delta-10 THC ban take effect?

The California Delta-10 THC ban is already in force (effective January 1, 2026); no further effective date is pending.

Watchenforcement date in 28 days (H.R. 6500 (Pub. L. 119-103) / Pub. L. 119-37 Sec. 781)

in 28 days December 11, 2026
Federal hemp redefinition, Dec 11 piece: total THC 0.3% and 0.4 mg total THC per container
Federal · Enforcement date · H.R. 6500 (Pub. L. 119-103) / Pub. L. 119-37 Sec. 781
Pub. L. 119-103 (continuing resolution, Sept 2, 2026) delayed the rest of the Pub. L. 119-37 sec. 781 hemp definition to Dec 11, 2026 (CRS IF13136, Sept 28, 2026): hemp is measured by total tetrahydrocannabinols including THCA (0.3% dry weight), and any final product over 0.4 mg combined total THC and cannabinoids with similar effects per container leaves hemp. A product that leaves hemp is marijuana, Schedule I, in every state.

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Every state where Delta-10 THC is banned · Hemp ban in California · THC ban in California · Federal hemp ban: what changes Nov 12 and Dec 11 · All compounds in California · Is Delta-10 THC Legal? Every state

Cite this page

Compound Analytics. “California Delta-10 THC Ban (2026): In Force.” Compound Laws, https://compoundlaws.com/bans/d10/california/. Accessed November 13, 2026.

Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.

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