republic-os/legislation/us/states/ok/2026/hb-4028.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	Revenue and taxation; certain income tax deduction; taxable years for which deductible allowable; effective date.	Revenue and taxation; certain income tax deduction; taxable years for which deductible allowable; effective date.	us/states/ok	Oklahoma Legislature	2026	HB 4028	Oklahoma HB 4028 (2026)	bill		enacted	Caldwell (Trey) Hall	6	22	5	2026-02-02	2026-05-04	openstates	ocd-bill/b6a9234c-ff7c-43b3-925a-a0fde445adbf	http://www.oklegislature.gov/BillInfo.aspx?Bill=HB4028&session=2600	1b85ad97a70cf5f99255c61d8abe5d108ef8ddfab9063f40cad3b46806acdd99	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ok

Oklahoma HB 4028 (2026) — Revenue and taxation; certain income tax deduction; taxable years for which deductible allowable; 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/HB4028 INT.PDF)
2. Engrossed (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB4028 ENGR.PDF)
3. Enrolled (final version) (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB4028 ENR.PDF)
4. Floor (House) (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB4028 HFLR.PDF)
5. House Committee Substitute (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB4028 CS.PDF)
6. Proposed Committee Substitute (full committee) 1 (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB4028 FULLPCS1 TREY CALDWELL-MKS.PDF)

Votes

• Third Reading — 26–20 (pass) · upper
• Joint Committee On Appropriations And Budget — 16–5 (pass) · upper
• Third Reading — 54–27 (pass) · lower
• Jcr — 27–20 (pass) · upper
• Joint Committee On Appropriations And Budget Committee: Do Pass As Amended By Cs — 23–6 (pass) · lower

Sponsors

• Caldwell (Trey) — primary (person)
• Hall — primary (person)

Timeline

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

• 2026-02-02 First Reading introduction, reading-1
• 2026-02-02 Authored by Representative Caldwell (Trey), Kane
• 2026-02-02 Authored by Senator Hall (principal Senate author)
• 2026-02-02 Coauthored by Senator(s) Haste
• 2026-02-03 Second Reading referred to Joint Committee on Appropriations and Budget reading-2, referral-committee
• 2026-04-20 JCR; Do pass, amended by committee substitute Joint Committee on Appropriations and Budget committee-passage
• 2026-04-21 General Order
• 2026-04-21 JCR adopted
• 2026-04-21 Third Reading, Measure passed: Ayes: 54 Nays: 27 passage, reading-3
• 2026-04-21 Referred for engrossment
• 2026-04-21 Engrossed, signed, to Senate passage
• 2026-04-21 First Reading introduction, reading-1
• 2026-04-22 Direct to Calendar
• 2026-04-27 JCR adopted
• 2026-04-27 Ayes: 27 Nays: 20
• 2026-04-27 Measure passed: Ayes: 26 Nays: 20 passage
• 2026-04-27 Engrossed measure signed, returned to House passage
• 2026-04-27 Referred for enrollment
• 2026-04-27 Enrolled, signed, to Senate
• 2026-04-27 Enrolled measure signed, returned to House
• 2026-04-27 Sent to Governor executive-receipt
• 2026-05-04 Becomes law without Governor's signature 05/03/2026 became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/b6a9234c-ff7c-43b3-925a-a0fde445adbf. Confidence: reported (aggregated from official Oklahoma legislature records).