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HB4273 • 2026

Income tax; definition; employees; aerospace; higher education; effective date.

Income tax; definition; employees; aerospace; higher education; effective date.

Education Labor Taxes
Active

The official status still shows this bill as active or still awaiting another formal step.

Sponsor
Miller
Last action
2026-04-20
Official status
Placed on General Order
Effective date
Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Income tax; definition; employees; aerospace; higher education; effective date.

Income tax; definition; employees; aerospace; higher education; effective date.

What This Bill Does

  • Income tax; definition; employees; aerospace; higher education; effective date.
  • Bill Summaries/Fiscal Impact for HB 4273 (House): Introduced (2/8/2026) Bill Summaries/Fiscal Impact for HB 4273 (House): Proposed Committee Substitute (full committee) 1 (3/9/2026) Bill Summaries/Fiscal Impact for HB 4273 (House): Committee Substitute (3/9/2026) Fiscal Impact Statements For HB 4273 (Senate): HB4273 ENGR FI.PDF (Fiscal (Senate))

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Amendments

These notes stay tied to the official amendment files and metadata from the legislature.

Plain English: Filed

  • The official amendment file could not be read automatically during the last sync, so only the official amendment metadata is shown right now.

Plain English: HB4273 FULLPCS1 Nicole Miller-MKS 2/13/2026 1:37:20 pm AMEND TITLE TO CONFORM TO AMENDMENTS Amendment submitted by: Nicole Miller Adopted: _____________________________ ______________________________________ Reading Clerk COMMITTEE AMENDMENT HOUSE OF REPRESENTATIVES State of Oklahoma SPEAKER: CHAIR: I move to amend HB4273 Of the printed Bill Page Section Lines Of the Engrossed Bill By deleting the content of the entire measure, and by inserting in lieu thereof the following language: Req.

  • HB4273 FULLPCS1 Nicole Miller-MKS 2/13/2026 1:37:20 pm AMEND TITLE TO CONFORM TO AMENDMENTS Amendment submitted by: Nicole Miller Adopted: _____________________________ ______________________________________ Reading Clerk COMMITTEE AMENDMENT HOUSE OF REPRESENTATIVES State of Oklahoma SPEAKER: CHAIR: I move to amend HB4273 Of the printed Bill Page Section Lines Of the Engrossed Bill By deleting the content of the entire measure, and by inserting in lieu thereof the following language: Req.
  • No.
  • 16190 Page 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 STATE OF OKLAHOMA 2nd Session of the 60th Legislature (2026) PROPOSED COMMITTEE SUBSTITUTE FOR HOUSE BILL NO.
  • 4273 By: Miller PROPOSED COMMITTEE SUBSTITUTE An Act relating to income tax; amending 68 O.S.

Bill History

  1. 2026-04-20 Senate

    Withdrawn from Appropriations committee

  2. 2026-04-20 Senate

    Placed on General Order

  3. 2026-04-13 Senate

    Reported Do Pass as amended Revenue and Taxation committee; CR filed

  4. 2026-04-13 Senate

    Enacting clause stricken

  5. 2026-04-13 Senate

    Referred to Appropriations

  6. 2026-04-01 Senate

    Second Reading referred to Revenue and Taxation Committee then to Appropriations Committee

  7. 2026-03-10 House

    Engrossed, signed, to Senate

  8. 2026-03-10 Senate

    First Reading

  9. 2026-03-09 House

    General Order

  10. 2026-03-09 House

    Third Reading, Measure passed: Ayes: 66 Nays: 24

  11. 2026-03-09 House

    Referred for engrossment

  12. 2026-02-25 House

    CR; Do Pass, amended by committee substitute Appropriations and Budget Committee

  13. 2026-02-25 House

    Authored by Senator Rader (principal Senate author)

  14. 2026-02-25 House

    Title stricken

  15. 2026-02-09 House

    Recommendation to the full committee; Do Pass Appropriations and Budget Transportation Subcommittee

  16. 2026-02-03 House

    Second Reading referred to Appropriations and Budget

  17. 2026-02-03 House

    Referred to Appropriations and Budget Transportation Subcommittee

  18. 2026-02-02 House

    First Reading

  19. 2026-02-02 House

    Authored by Representative Miller

Official Summary Text

Income tax; definition; employees; aerospace; higher education; effective date.
Bill Summaries/Fiscal Impact for HB 4273 (House): Introduced (2/8/2026)
Bill Summaries/Fiscal Impact for HB 4273 (House): Proposed Committee Substitute (full committee) 1 (3/9/2026)
Bill Summaries/Fiscal Impact for HB 4273 (House): Committee Substitute (3/9/2026)
Fiscal Impact Statements For HB 4273 (Senate): HB4273 ENGR FI.PDF (Fiscal (Senate))

Current Bill Text

Read the full stored bill text
ENGR. H. B. NO. 4273 Page 1
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ENGROSSED HOUSE
BILL NO. 4273 By: Miller of the House

and

Rader of the Senate

[ income tax – credit – employees – aerospace –
higher education – effective date ]

BE IT ENACTED BY THE PEOPLE OF THE STATE OF OKLAHOMA:
SECTION 1. AMENDATORY 68 O.S. 2021, Section 2357.301, as
amended by Section 1, Chapter 313, O.S.L. 2024 (68 O.S. Supp. 2025,
Section 2357.301), is amended to read as follows:
Section 2357.301. As used in Sections 2357.301 through 2357.304
of this title:
1. "Aerospace sector" means a private or public organization
located in this state and engaged in the manufacture of aerospace or
defense hardware or software, aerospace maintenance, aerospace
repair and overhaul, supply of parts to the aerospace industry,
provision of services and support relating to the aerospace

ENGR. H. B. NO. 4273 Page 2
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industry, research and development of aerospace technology and
systems and the education and training of aerospace personnel;
2. "Compensation" means payments in the form of contract labor
for which the payor is required to provide a Form 1099 to the person
paid, wages subject to withholding tax paid to a part-time employee
or full-time employee or salary or other remuneration. Compensation
shall not include employer-provided retirement, medical or health-
care benefits, reimbursement for travel, meals, lodging or any other
expense;
3. "Institution" means an institution within The Oklahoma State
System of Higher Education or any other public or private college or
university that is accredited by a national accrediting body;
4. "Qualified employer" means a sole proprietor, general
partnership, limited partnership, limited liability company,
corporation, other legally recognized business entity or public
entity whose principal business activity involves the aerospace
sector, or a four-year institution of higher education with an R1
research designation that has a research, innovation, and education
institute dedicated to aerospace research and technology;
5. "Qualified employee" means any person, regardless of the
date of hire, employed in this state by or contracting in this state
with a qualified employer on or after January 1, 2009, who was not
employed in the aerospace sector in this state immediately preceding

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employment or contracting with a qualified employer, and who has
been either:
a. awarded an undergraduate or graduate degree from a
qualified program by an institution, or
b. licensed as a Professional Engineer by the State Board
of Licensure for Professional Engineers and Land
Surveyors pursuant to Section 475.15 of Title 59 of
the Oklahoma Statutes.
Provided, the definition shall not be interpreted to exclude any
person who was employed in the aerospace sector, but not as a full-
time engineer, prior to being awarded an undergraduate or graduate
degree from a qualified program by an institution or any person who
has been awarded an undergraduate or graduate degree from a
qualified program by an institution and is employed by a
professional staffing company and assigned to work in the aerospace
sector in this state.
Provided, the definition of qualified employee for an individual
employed or under contract with an institution of higher education
located within this state that has an R1 research designation and
that has a research and education institute dedicated to aerospace
research and technology only applies to those individuals actively
working within a research, innovation, and education institute
dedicated to aerospace research and technology.

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Beginning on or after January 1, 2024, the definition shall also
not be interpreted to exclude any person (1) who previously
qualified and established the credit against the tax imposed
pursuant to Section 2355 of this title and becomes employed by a
different qualified employer, or (2) who establishes the credit
against the tax imposed pursuant to Section 2355 of this title for
the first time and becomes employed by a different qualified
employer in subsequent years, provided a person in either case has
not claimed the credit for the lifetime maximum of five (5) years;
6. "Qualified program" means a program at an institution that
includes a graduate or undergraduate program that has been
accredited by the Engineering Accreditation Commission of the
Accreditation Board for Engineering and Technology (ABET) and that
awards an undergraduate or graduate degree. Both the undergraduate
and graduate programs of the same discipline of engineering at an
institution shall be part of the qualified program if either program
is ABET accredited; and
7. "Tuition" means the average annual amount paid by a
qualified employee for enrollment and instruction in a qualified
program. Tuition shall not include the cost of books, fees or room
and board.
SECTION 2. This act shall become effective January 1, 2027.

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Passed the House of Representatives the 9th day of March, 2026.

Presiding Officer of the House
of Representatives

Passed the Senate the ___ day of __________, 2026.

Presiding Officer of the Senate