{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/thca/oklahoma/","compound":{"slug":"thca","name":"THCa","same_as":"https://en.wikipedia.org/wiki/Tetrahydrocannabinolic_acid"},"jurisdiction":{"code":"OK","name":"Oklahoma"},"as_of":"2026-10-25","answer":"As of October 25, 2026, THCa is legal to sell at retail with restrictions in Oklahoma. Restricted (effectively prohibitive): statute is delta-9-only; ODAFF enforces total THC, which THCa flower fails (enforcement, not law). Controlling source: ODAFF Hemp Clarification Letter (Jan 16, 2026) - enforces Total THC; statute 2 O.S. 3-601.","forms":[{"form":"all","label":"All forms","status":"restricted","state_status":null,"federal_overlay":false,"headline":"Restricted (effectively prohibitive): statute is delta-9-only; ODAFF enforces total THC, which THCa flower fails (enforcement, not law)","rule_type":"permanent","tier":"schedule_i","schedule_class":null,"limit":null,"effective_date":null,"verified_at":"2026-10-25","confidence":"under_review","verbatim_excerpt":"hemp products are restricted to test no more than 0.3% Total THC (Total THC is measured as THC plus 87.7 percent of THCA). (ODAFF Hemp Clarification Letter, Jan 16, 2026)","excerpt_source_url":"https://ag.ok.gov/wp-content/uploads/2026/01/2026-Hemp-Clarification-Letter.pdf","citations":[{"title":"ODAFF Hemp Clarification Letter (Jan 16, 2026) - enforces Total THC; statute 2 O.S. 3-601","url":"https://ag.ok.gov/wp-content/uploads/2026/01/2026-Hemp-Clarification-Letter.pdf","pinpoint":null,"publisher":"Oklahoma Dept. of Agriculture, Food & Forestry","type":"gov","primary":true,"official":true}],"history":[{"date":"2026-09-23","field":"status","from":"illegal","to":"restricted"},{"date":"2026-09-23","field":"headline","from":"Restricted (effectively prohibitive): statute is delta-9-only but ODAFF enforces total THC, which THCa flower fails","to":"Restricted (effectively prohibitive): statute is delta-9-only; ODAFF enforces total THC, which THCa flower fails (enforcement, not law)"},{"date":"2026-09-23","field":"status","from":"illegal","to":"restricted"},{"date":"2026-09-23","field":"status","from":"restricted","to":"illegal"},{"date":"2026-09-23","field":"status","from":"restricted","to":"illegal"},{"date":"2026-09-23","field":"headline","from":"ODAFF enforces post-decarb Total THC","to":"Restricted (effectively prohibitive): statute is delta-9-only but ODAFF enforces total THC, which THCa flower fails"},{"date":"2026-09-23","field":"status","from":"illegal","to":"restricted"},{"date":"2026-09-23","field":"effectively_prohibitive","from":"false","to":"true"}]}],"neighbors":[{"code":"AR","status":"illegal"},{"code":"CO","status":"restricted"},{"code":"KS","status":"legal"},{"code":"MO","status":"legal"},{"code":"NM","status":"illegal"},{"code":"TX","status":"restricted"}],"laws":[{"citation":"2 O.S. 3-401 et seq. (Oklahoma Industrial Hemp Program; not fetched); OK AG 2026 Hemp Clarification Letter","title":"2 O.S. 3-401 et seq. (Oklahoma Industrial Hemp Program; not fetched); OK AG 2026 Hemp Clarification Letter","official_url":"https://ag.ok.gov/wp-content/uploads/2026/01/2026-Hemp-Clarification-Letter.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"96f183eb66e96c36804652aced876c378b943d0b7f78c68fafdbead571856b91"},{"citation":"2 O.S. 3-402, 3-411 (Oklahoma Industrial Hemp Program)","title":"2 O.S. 3-402, 3-411 (Oklahoma Industrial Hemp Program)","official_url":"https://www.oklegislature.gov/OK_Statutes/CompleteTitles/os2.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-08","text_hash":"13e4b92e241358595642a0f430159d9c057488b197561f60d8e3d1af813b21bc"},{"citation":"2 O.S. Sec. 3-601(B)(7) (Oklahoma Industrial Hemp Remediation Program - Definitions), 'Hemp' and 'THC'","title":"2 O.S. Sec. 3-601 - Short title, Oklahoma Industrial Hemp Remediation Program, Definitions ('Hemp', 'THC')","official_url":"https://law.justia.com/codes/oklahoma/title-2/section-2-3-601/","source_label":"MIRROR","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"55d4c8c07c14f1f7979bcfd350e5f0d278262639c99c72f69f7d137d845f7f2c"},{"citation":"OAC 35:30-24-2, Definitions (\"Industrial hemp\")","title":"Oklahoma Administrative Code, Title 35, Chapter 30, Subchapter 24 -- Oklahoma Industrial Hemp Program -- Definitions","official_url":"https://ag.ok.gov/wp-content/uploads/2023/04/ODAFF-Hemp-Program-Statutes-and-Rules-Updated-Nov-24.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-19","text_hash":"9783e31dff3f7d743bc1162957a7da9512162dd5628469e7531376207c3438b2"}]}