republic-os/legislation/us/states/ok/2026/hb-1933.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Nitrous oxide; Maddix Bias Act; definition; sale of nitrous oxide to persons under twenty-one; legal age; enforcement; penalty; imprisonment; effective date.	Nitrous oxide; Maddix Bias Act; definition; sale of nitrous oxide to persons under twenty-one; legal age; enforcement; penalty; imprisonment; effective date.	us/states/ok	Oklahoma Legislature	2026	HB 1933	Oklahoma HB 1933 (2026)	bill		enacted	Sterling Weaver	10	41	7	2025-02-03	2026-05-11	openstates	ocd-bill/8048f625-f001-41b5-9e45-93ead262ec57	http://www.oklegislature.gov/BillInfo.aspx?Bill=HB1933&session=2600	a4f57a28147977d025595dcb4eb6f6e8fab7c9f1f3a291c0012bd5770cb09a5d	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ok

Oklahoma HB 1933 (2026) — Nitrous oxide; Maddix Bias Act; definition; sale of nitrous oxide to persons under twenty-one; legal age; enforcement; penalty; imprisonment; effective date.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. Introduced (filed) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 INT/hB/HB1933 INT.PDF)
2. Amended And Engrossed (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 AMENDMENTS/Amendment and Engr/HB1933 SAHB AND ENGR.PDF)
3. Engrossed (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB1933 ENGR.PDF)
4. Enrolled (final version) (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB1933 ENR.PDF)
5. Floor (House) (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB1933 HFLR.PDF)
6. Floor (Senate) (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB1933 SFLR.PDF)
7. HB1933 (4-16-26) (WEAVER) FA1.PDF (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/Senate/HB1933 (4-16-26) (WEAVER) FA1.PDF)
8. House Committee Substitute (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB1933 CS.PDF)
9. Policy Committee Recommendation (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB1933 POLREC.PDF)
10. Proposed Policy Committee Substitute 1 (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB1933 POLPCS1 DANNY STERLING-TJ.PDF)

Votes

• Health And Human Services Oversight Committee: Do Pass As Amended By Cs — 14–0 (pass) · lower
• Health & Human Services — 9–1 (pass) · upper
• Third Reading — 45–0 (pass) · upper
• Fourth Reading — 90–0 (pass) · lower
• Alcohol, Tobacco And Controlled Substances Committee: Do Pass As Amended By Cs — 5–0 (pass) · lower
• Third Reading — 89–0 (pass) · lower
• Third Reading — 47–0 (pass) · upper

Sponsors

• Sterling — primary (person)
• Weaver — primary (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2025-02-03 First Reading introduction, reading-1
• 2025-02-03 Authored by Representative Sterling
• 2025-02-04 Second Reading referred to Health and Human Services Oversight reading-2, referral-committee
• 2025-02-04 Referred to Alcohol, Tobacco and Controlled Substances referral-committee
• 2025-02-24 Policy recommendation to the Health and Human Services Oversight committee; Do Pass, amended by committee substitute Alcohol, Tobacco and Controlled Substances committee-passage
• 2025-02-24 Authored by Senator Weaver (principal Senate author)
• 2025-03-06 CR; Do Pass, amended by committee substitute Health and Human Services Oversight Committee committee-passage
• 2025-03-13 General Order
• 2025-03-13 Third Reading, Measure passed: Ayes: 89 Nays: 0 passage, reading-3
• 2025-03-13 Referred for engrossment
• 2025-03-17 Engrossed, signed, to Senate passage
• 2025-03-17 First Reading introduction, reading-1
• 2025-03-17 Coauthored by Senator Frix
• 2025-04-01 Second Reading referred to Health and Human Services reading-2, referral-committee
• 2025-04-03 Coauthored by Senator Jett
• 2025-04-21 Reported Do Pass Health and Human Services committee; CR filed committee-passage
• 2025-04-23 Placed on General Order
• 2026-04-13 Coauthored by Senator McIntosh
• 2026-04-15 General Order, Considered
• 2026-04-15 Measure passed: Ayes: 45 Nays: 0 passage
• 2026-04-15 Engrossed measure signed, returned to House passage
• 2026-04-15 Referred for enrollment
• 2026-04-16 Recalled from enrollment
• 2026-04-16 Returned to Senate
• 2026-04-20 Signing rescinded
• 2026-04-20 Third Reading and advancement rescinded reading-3
• 2026-04-20 Backed up to General Order
• 2026-04-20 Senate Rule suspended
• 2026-04-20 General Order, Amended
• 2026-04-20 Measure passed: Ayes: 47 Nays: 0 passage
• 2026-04-20 Referred for engrossment
• 2026-04-21 Engrossed to House passage
• 2026-04-21 SA's received
• 2026-05-04 SA's read, adopted
• 2026-05-04 Coauthored by Representative(s) Provenzano
• 2026-05-04 Fourth Reading, Measure passed: Ayes: 90 Nays: 0 passage
• 2026-05-04 Referred for enrollment
• 2026-05-05 Enrolled, signed, to Senate
• 2026-05-05 Enrolled measure signed, returned to House
• 2026-05-05 Sent to Governor executive-receipt
• 2026-05-11 Approved by Governor 05/11/2026 executive-signature

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/8048f625-f001-41b5-9e45-93ead262ec57. Confidence: reported (aggregated from official Oklahoma legislature records).