{"brand":"Compound Laws","url":"https://compoundlaws.com/compounds/thca/iowa/","compound":{"slug":"thca","name":"THCa","same_as":"https://en.wikipedia.org/wiki/Tetrahydrocannabinolic_acid"},"jurisdiction":{"code":"IA","name":"Iowa"},"as_of":"2026-10-07","answer":"As of October 7, 2026, THCa is illegal to sell at retail in Iowa. Illegal: total-THC basis (THCA counted, Iowa Code 204.2) puts THCa flower over 0.3%; inhalation ban (204.14A). Effective 2020-06-17. Controlling source: Iowa Code Sec. 204.2(2), Sec. 204A.2(10) (total THC = 7 CFR 990.1).","forms":[{"form":"all","label":"All forms","status":"illegal","state_status":null,"federal_overlay":false,"headline":"Illegal: total-THC basis (THCA counted, Iowa Code 204.2) puts THCa flower over 0.3%; inhalation ban (204.14A)","rule_type":null,"tier":null,"schedule_class":null,"limit":{"type":"total_ban","value":null,"unit":null},"effective_date":"2020-06-17","verified_at":"2026-10-07","confidence":"confirmed","verbatim_excerpt":"Its maximum total tetrahydrocannabinol concentration is less than or equal to the lesser of ... Three-tenths of one percent on a dry weight basis [or] Four milligrams per serving and ten milligrams per container ... 'Consumable hemp product' does not include a hemp product if the intended use ... is introduction into the human body by any method of inhalation, as prohibited under section 204.14A.","excerpt_source_url":"https://www.legis.iowa.gov/docs/code/204.2.pdf","citations":[{"title":"Iowa Code Sec. 204.2(2), Sec. 204A.2(10) (total THC = 7 CFR 990.1)","url":"https://www.legis.iowa.gov/docs/code/204.2.pdf","pinpoint":null,"publisher":"Official state source","type":"gov","primary":true,"official":true},{"title":"2020 Iowa Acts, ch. 1065 (House File 2581), sec. 17 — 'NEW SECTION. 204.14A Criminal offense — inhalation.'","url":"https://www.legis.iowa.gov/docs/publications/iactc/88.2/CH1065.pdf","pinpoint":null,"publisher":"Iowa General Assembly","type":"statute","primary":true,"official":true}],"history":[{"date":"2026-09-23","field":"status","from":"restricted","to":"illegal"},{"date":"2026-09-23","field":"headline","from":"THCa flower illegal: total-THC basis + inhalation ban","to":"Illegal: total-THC basis (THCA counted, Iowa Code 204.2) puts THCa flower over 0.3%; inhalation ban (204.14A)"},{"date":"2026-09-23","field":"status","from":"illegal","to":"restricted"},{"date":"2026-09-23","field":"status","from":"restricted","to":"illegal"},{"date":"2026-09-22","field":"effectively_prohibitive","from":"false","to":"true"},{"date":"2026-09-22","field":"status","from":"illegal","to":"restricted"},{"date":"2026-07-25","field":"effective_date","from":null,"to":"2020-06-17"}]}],"neighbors":[{"code":"IL","status":"restricted"},{"code":"MN","status":"illegal"},{"code":"MO","status":"legal"},{"code":"NE","status":"restricted"},{"code":"SD","status":"restricted"},{"code":"WI","status":"illegal"}],"laws":[{"citation":"Iowa Code 204.14A","title":"Criminal offense - inhalation","official_url":"https://www.legis.iowa.gov/docs/code/204.14A.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"54fc52d187d0701d426409612d4dc8007f862078bcb66cfabd1b65d99b92ff73"},{"citation":"Iowa Code 204.14A (2026)","title":"Iowa Code 204.14A (2026)","official_url":"https://www.legis.iowa.gov/docs/code/2026/204.14A.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-10-07","text_hash":"5d795c3d48ab68c4b2191803c0180ab1e963ebc8b6195b06e23426477955ef2a"},{"citation":"Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5)","title":"Prohibition on synthetic consumable hemp products (HHC named)","official_url":"https://www.legis.iowa.gov/docs/aco/chapter/641.156.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-19","text_hash":"44b0a13e3112903b574eb8dd82f5d605b095b9fc4159cfc202d0801850a74036"},{"citation":"Iowa Code 204.2","title":"Definitions (Hemp and Hemp Products) -- consumable hemp product, hemp product, inhalation exclusion","official_url":"https://www.legis.iowa.gov/docs/code/204.2.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"569666b6070721b0333dcc7d769af200c190594652cfeae5c91e9df70727cead"},{"citation":"Iowa Code 204A.2","title":"Definitions (Iowa Hemp Act) -- Hemp, Delta-9 THC, Total THC","official_url":"https://www.legis.iowa.gov/docs/code/204A.2.pdf","source_label":"OFFICIAL","effective_date":null,"retrieved_date":"2026-07-02","text_hash":"35892e2d5a27f6358dc384f03cfc2a2db888f3e990ad0caa31b8a1eba7cd17fa"}]}