All Roll Calls
Yes: 198 • No: 32
OklahomaSB 1257Oklahoma 2026 Regular SessionSenate
Uniform Controlled Dangerous Substances Act; modifying classification of certain substances. Effective date.
Sponsored By: Warren Hamilton (Republican)
Signed by Governor
Senate Committee
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Bill Overview
Analyzed Economic Effects
4 provisions identified: 0 benefits, 1 costs, 3 mixed.
Tighter rules for cannabis-related substances
Beginning November 1, 2026, Oklahoma expands its marijuana definition to cover more cannabis-related compounds, acids, and similar synthetic substances. Synthetic substances made to imitate marijuana THC, including covered THC derived from industrial hemp, face Schedule I controls. Schedule I also covers listed synthetic cannabinoid chemical classes and qualifying structural variants, including specified carbon-to-nitrogen ring changes. Covered mixtures face these controls even with very small amounts, subject to the law’s rules for salts and isomers. People and businesses handling these substances face the state’s controlled-drug restrictions.
Drug handlers face changed sedative listings
Beginning November 1, 2026, Oklahoma removes Flualprazolam from this Schedule I list and adds Flubromazolam. The listing covers mixtures and preparations containing any amount of the listed drug, subject to rules for salts and isomers. This removes one specific listing and places the other drug under Schedule I controls.
Prescription drug controls follow federal changes
Beginning November 1, 2026, Oklahoma follows covered federal scheduling changes for FDA-approved prescription drugs. The rule applies when the DEA issues a notice, final rule, or interim final rule adding, changing, or removing controlled status. Federal treatment applies unless and until the Oklahoma State Board of Pharmacy acts under state law. If the Board does not act, the federal change sets the drug’s Oklahoma status. This process covers both tighter and looser controls for patients, prescribers, pharmacies, and distributors.
Hemp growers face combined THC limit
Beginning November 1, 2026, qualifying industrial hemp is excluded from Oklahoma’s marijuana definition. Combined delta-9 THC and tetrahydrocannabinolic acid, called THCA, must total no more than 0.3% by dry weight. Testing must use post-decarboxylation or another similarly reliable method to measure that combined amount. Hemp must also be grown under the Oklahoma Industrial Hemp Program. Qualifying hemp can be shipped within Oklahoma and across state lines; hemp failing these conditions does not qualify for this exclusion.
Sponsors & Cosponsors
Sponsor
Warren Hamilton
Republican • Senate
Cosponsors
Tim Turner
Republican • House
Roll Call Votes
Senate vote • 5/14/2026
FOURTH READING
Yes: 41 • No: 7
House vote • 4/28/2026
THIRD READING
Yes: 68 • No: 13
House vote • 4/15/2026
DO PASS
Yes: 12 • No: 1
House vote • 4/15/2026
DO PASS
Yes: 12 • No: 1
House vote • 4/8/2026
DO PASS
Yes: 7 • No: 2
House vote • 4/8/2026
DO PASS
Yes: 7 • No: 2
Senate vote • 2/25/2026
THIRD READING
Yes: 0 • No: 3
Senate vote • 2/25/2026
THIRD READING
Yes: 43 • No: 3
Senate vote • 2/10/2026
Top_of_Page
Yes: 0 • No: 0
Senate vote • 2/10/2026
Committee vote: Public Safety
Yes: 8 • No: 0
Actions Timeline
Approved by Governor 05/20/2026
5/29/2026SenateSent to Governor
5/14/2026SenateSigned, returned to Senate
5/14/2026HouseEnrolled, to House
5/14/2026SenateReferred for enrollment
5/14/2026SenateMeasure passed: Ayes: 41 Nays: 7
5/14/2026SenateHAs adopted
5/14/2026SenateHAs read
4/29/2026SenateEngrossed, signed, to Senate
4/29/2026HouseReferred for engrossment
4/28/2026HouseThird Reading, Measure passed: Ayes: 68 Nays: 13
4/28/2026HouseGeneral Order
4/28/2026HouseCR; Do Pass, amended by committee substitute Health and Human Services Oversight Committee
4/16/2026HousePolicy recommendation to the Health and Human Services Oversight committee; Do Pass, amended by committee substitute Alcohol, Tobacco and Controlled Substances
4/8/2026HouseReferred to Alcohol, Tobacco and Controlled Substances
3/30/2026HouseSecond Reading referred to Health and Human Services Oversight
3/30/2026HouseFirst Reading
2/26/2026HouseEngrossed to House
2/26/2026SenateReferred for engrossment
2/25/2026SenateMeasure passed: Ayes: 43 Nays: 3
2/25/2026SenateGeneral Order, Considered
2/25/2026SenatePlaced on General Order
2/12/2026SenateCoauthored by Representative Turner (principal House author)
2/10/2026SenateReported Do Pass Public Safety committee; CR filed
2/10/2026SenateSecond Reading referred to Public Safety
2/3/2026Senate
Bill Text
Enrolled (final version)
5/14/2026
Amended And Engrossed
4/29/2026
Floor (House)
4/20/2026
House Committee Report
4/16/2026
House Committee Substitute for Senate Bill
4/16/2026
House Policy Committee Report
4/8/2026
Engrossed
2/26/2026
Floor (Senate)
2/11/2026
Senate Committee Report
2/10/2026
Introduced
12/16/2025
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