California
Cannabis Law Guide & THCA Vendor SOP
Hemp Law
California AB 45 (2021) and AB 2223 (2024) regulate hemp-derived cannabinoids. Products with detectable THC (including THCA) must go through licensed cannabis channels. Effectively bans standalone THCA hemp products.
Licensing Agency
California Department of Public Health / Department of Cannabis Control
Licensing Info →Important Note
California treats hemp-derived THC products the same as marijuana-derived products. Must go through DCC-licensed channels.
Marijuana / Cannabis Law
Proposition 64 (2016) legalized adult-use cannabis. Largest legal cannabis market in the US. DCC is the unified regulator.
Possession Limit
28.5g flower; 8g concentrate; 6 plants
Mature market with ongoing illicit market challenges. Social equity licensing. Local control on retail.
THCA Vendor SOP — California
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WARNING: Hemp-derived THCA products are restricted in California
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Products with detectable THC/THCA must go through DCC-licensed cannabis supply chain
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CBD-only hemp products: register with CDPH, comply with food safety standards
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All cannabis products require state-licensed lab testing
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Track-and-trace (METRC) required for all cannabis products
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Local jurisdiction approval required for retail operations
Hemp Vendor Requirements
- Hemp products with THC must enter licensed cannabis supply chain
- CBD-only products: CDPH registration
- No hemp-derived THC products outside regulated market
- Lab testing per BPC § 111920
Key Dates
1996-11-05: Medical cannabis (Prop 215)
2016-11-08: Adult-use (Prop 64)
2021: AB 45 hemp regulation
2024-01-01: AB 2223 hemp-THC restrictions
Enforcement Notes
DCC actively enforces against unlicensed hemp-THC products. Products seized at retail. Heavy fines for non-compliance.
Disclaimer: This information is provided for educational purposes only and does not constitute legal advice. Cannabis laws change frequently. The statute citations and regulatory links were verified as of March 2026 but may have been updated. Always verify current regulations withCalifornia Department of Public Health / Department of Cannabis Control before making business decisions. Consult a licensed attorney in California for advice specific to your situation.