Oklahoma § 68-500.4 - Levy of tax
Full text of Oklahoma Oklahoma Statutes § 68-500.4 — Levy of tax, with citation guidance and answers to common questions.
§ 68-500.4. Levy of tax
A. A tax is imposed on all gasoline, compressed natural gas,
liquefied natural gas and all diesel fuel used or consumed in this
state as follows:
1. Gasoline, sixteen cents ($0.16) per gallon;
2. Diesel fuel, thirteen cents ($0.13) per gallon;
3. Compressed natural gas, five cents ($0.05) per gasoline
gallons equivalent (gge) until the credit authorized pursuant to the
provisions of paragraph 1 of subsection A of Section 2357.22 of this
title expires. Upon the expiration of the credit authorized
pursuant to the provisions of paragraph 1 of subsection A of Section
2357.22 of this title, the rate of tax imposed upon compressed
natural gas shall be equal to the tax rate imposed on diesel fuel
using gasoline gallons equivalent (gge); and
4. Liquefied natural gas, five cents ($0.05) per diesel gallon
equivalent (dge) until the credit authorized pursuant to the
provisions of paragraph 1 of subsection A of Section 2357.22 of this
title expires. Upon the expiration of the credit authorized
pursuant to the provisions of paragraph 1 of subsection A of Section
2357.22 of this title, the rate of tax imposed upon liquefied
natural gas shall be equal to the tax rate imposed on diesel fuel
using diesel gallon equivalent (dge), which shall be equal to six
and six one-hundredths (6.06) pounds of liquefied natural gas.
B. A tax is imposed on all gasoline, diesel fuel and kerosene
used or consumed in this state for use as fuel to generate power in
aircraft engines or for training, testing or research on aircraft
engines in the amount of eight one-hundredths of one cent ($0.0008)
per gallon. All gasoline, diesel fuel and kerosene sold for use
under this subsection shall not be subject to the excise tax levied
in subsection A of this section.
C. Notwithstanding any exemption provided in Section 500.1 et
seq. of this title, all gasoline used or consumed in this state for
use as fuel for farm tractors or stationary engines and used
exclusively for agricultural purposes shall be subject to a tax in
the amount of two and eight one-hundredths cents ($0.0208) per
gallon. All gasoline sold for use pursuant to this subsection shall
not be subject to the excise tax levied in subsection A of this
Oklahoma Statutes - Title 68. Revenue and Taxation
section. The term "farm tractor", as used herein, shall include all
tractor-type, motorized farm implements and equipment but shall not
include motor vehicles of the truck-type, pickup truck-type,
automobiles and other motor vehicles required to be registered and
licensed each year under the Oklahoma Vehicle License and
Registration Act.
D. It is the intent of this section to amend, revise,
incorporate and recodify the tax imposed on motor fuel and that the
tax shall be conclusively presumed to be a direct tax and shall be a
direct tax on the retail or ultimate consumer precollected for the
purpose of convenience and facility to the consumer. The levy and
assessment on other persons as specified in this act shall be as
agents of the state for the precollection of the tax. The
provisions of this section shall in no way affect the method of
collecting the tax as provided in this act. The tax imposed by this
section shall be collected and paid at those times, in the manner,
and by those persons specified in this act.
Added by Laws 1996, c. 345, § 4, eff. Oct. 1, 1996. Amended by Laws
2000, c. 314, § 7, eff. July 1, 2000; Laws 2011, c. 163, § 3, eff.
Jan. 1, 2012; Laws 2013, c. 375, § 3, eff. Jan. 1, 2014.
§68-500.4A. Levy of tax equal to reduction in federal excise tax.
A. In the event that, by federal law, the federal excise tax
imposed on gasoline or diesel fuel or both is reduced from the rate
imposed on January 1, 1996, there shall be levied a tax equal to the
reduction in the federal excise tax on gasoline or diesel fuel or
both. The tax on gasoline or diesel fuel or both shall be imposed
beginning the first day following the reduction in the rate of the
federal excise tax on gasoline or diesel fuel or both. The tax
imposed by this subsection resulting from a reduction in federal
excise tax on gasoline or diesel fuel or both shall not include any
reduction in federal excise tax imposed on diesel fuel for use in
trains pursuant to the Internal Revenue Code, 26 U.S.C., Section
4041, in that the federal excise tax levy on diesel fuel for use in
trains is not appropriated or apportioned to the Federal Highway
Trust Fund.
B. The tax levied pursuant to subsection A of this section
shall be in addition to and applicable to all gasoline and diesel
fuel subject to the tax imposed and levied pursuant to Section 500.4
of Title 68 of the Oklahoma Statutes. It is the intent of this
section that the tax shall be conclusively presumed to be a direct
tax and shall be a direct tax on the retail or ultimate consumer
precollected for the purpose of convenience and facility to the
consumer. The levy and assessment on other persons as specified in
the Motor Fuel Tax Code shall be as agents of the state for the
precollection of the tax. The provisions of this section shall in
no way affect the method of collecting the tax as provided in the
Oklahoma Statutes - Title 68. Revenue and Taxation
Motor Fuel Tax Code. The tax imposed by this section shall be
collected and paid at those times, in the manner, and by those
persons specified in the Motor Fuel Tax Code.
Added by Laws 1997, c. 259, § 1, eff. Nov. 1, 1997.
§68-500.4B. Additional tax imposed on diesel fuel and gasoline Apportionment of revenue.
A. For the purpose of providing revenue for the support of the
functions of state government, in addition to the tax imposed by
Section 500.4 of Title 68 of the Oklahoma Statutes, there is hereby
imposed a tax of:
1. Six cents ($0.06) per gallon on all diesel fuel used or
consumed in this state; and
2. Three cents ($0.03) per gallon on all gasoline used or
consumed in this state.
B. All remaining revenue from the tax imposed by subsection A
of this section and penalties and interest thereon collected by the
Oklahoma Tax Commission, after the requirements of Section 500.63 of
Title 68 of the Oklahoma Statutes have been fulfilled, shall be
deposited as follows:
1. Prior to July 1, 2019, the remaining revenue shall be
apportioned by the Oklahoma Tax Commission and transmitted to the
State Treasurer who shall deposit such revenue in the General
Revenue Fund; and
2. Beginning July 1, 2019, the remaining revenue shall be
apportioned by the Oklahoma Tax Commission and transmitted to the
State Treasurer who shall deposit such revenue in the Rebuilding
Oklahoma Access and Driver Safety Fund created in Section 1521 of
Title 69 of the Oklahoma Statutes.
Added by Laws 2018, 2nd Ex. Sess., c. 8, § 6.
Source: official Oklahoma text · Last verified 2026-08-27
Frequently Asked Questions About Oklahoma § 68-500.4
What does Oklahoma Statutes § 68-500.4 cover?
Section 68-500.4 ("Levy of tax") is part of the Oklahoma Statutes, the codified statutory law of Oklahoma. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Oklahoma § 68-500.4?
A common citation format is "Oklahoma Statutes § 68-500.4" (Oklahoma). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Oklahoma law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Oklahoma official source linked on this page or consult a licensed Oklahoma attorney.
How does Oklahoma § 68-500.4 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Oklahoma can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Oklahoma.