HLS 25RS-1099 ORIGINAL
2025 Regular Session
HOUSE BILL NO. 646
BY REPRESENTATIVE ROBBY CARTER
TAX/EXCISE: Imposes an excise tax on proceeds from geologic storage of carbon dioxide
1 AN ACT
2To enact Chapter 12 of Subtitle II of Title 47 of the Louisiana Revised Statutes of 1950, to
3 be comprised of R.S. 47:1071 through 1074, relative to excise taxes; to establish an
4 excise tax on geologic storage of carbon dioxide; to provide for administration of the
5 tax; to provide for definitions; to provide for an effective date; and to provide for
6 related matters.
7Be it enacted by the Legislature of Louisiana:
8 Section 1. Chapter 12 of Subtitle II of Title 47 of the Louisiana Revised Statutes of
91950, comprised of R.S. 47:1071 through 1074, is hereby enacted to read as follows:
10 CHAPTER 12. CARBON DIOXIDE STORAGE TAX
11 §1071. Definitions
12 As used in this Chapter, the following terms shall have the meanings ascribed
13 to them in this Section:
14 (1) "Carbon dioxide" has the meaning ascribed in R.S. 30:1103.
15 (2) "Department" means the Department of Revenue.
16 (3) "Geologic storage" has the meaning ascribed in R.S. 30:1103.
17 (4) "Storage operator" has the meaning ascribed in R.S. 30:1103.
18 §1072. Carbon dioxide storage tax
19 A. There is hereby levied an excise tax upon proceeds derived from geologic
20 storage of carbon dioxide. The excise tax shall be at the rate of thirty percent of each
Page 1 of 3
CODING: Words in struck through type are deletions from existing law; words underscored
are additions. HLS 25RS-1099 ORIGINAL
HB NO. 646
1 storage operator's gross proceeds from geologic storage of carbon dioxide at any site
2 within this state.
3 B. The tax imposed by this Section shall be levied in addition to all other
4 state and local taxes applicable to the sales and income of the storage operator, and
5 shall be reported quarterly by the storage operator on forms prescribed by the
6 secretary of the department and paid by the operator on or before the twentieth day
7 of the month following the end of the calendar year quarter to which the tax is
8 applicable.
9 §1073. Enforcement
10 The secretary of the department shall collect, supervise, and enforce the
11 collection of all taxes, penalties, interest, and other charges that may be due pursuant
12 to this Chapter in the manner provided for by law in accordance with applicable
13 provisions of this Subtitle.
14 §1074. Rules and regulations
15 The department may promulgate rules and regulations in accordance with the
16 Administrative Procedure Act as are necessary to implement the provisions of this
17 Chapter.
18 Section 2. The provisions of this Act shall apply to taxable periods beginning on or
19after July 1, 2025.
20 Section 3. This Act shall become effective on July 1, 2025; if vetoed by the governor
21and subsequently approved by the legislature, this Act shall become effective on July 1,
222025, or on the day following such approval by the legislature, whichever is later.
DIGEST
The digest printed below was prepared by House Legislative Services. It constitutes no part
of the legislative instrument. The keyword, one-liner, abstract, and digest do not constitute
part of the law or proof or indicia of legislative intent. [R.S. 1:13(B) and 24:177(E)]
HB 646 Original 2025 Regular Session Robby Carter
Abstract: Imposes an excise tax of 30% on proceeds from geologic storage of carbon
dioxide.
Proposed law levies an excise tax upon proceeds derived from geologic storage of carbon
dioxide. Establishes that the excise tax shall be at the rate of 30% of each storage operator's
Page 2 of 3
CODING: Words in struck through type are deletions from existing law; words underscored
are additions. HLS 25RS-1099 ORIGINAL
HB NO. 646
gross proceeds from geologic storage of carbon dioxide within La. Stipulates that the excise
tax shall be in addition to all other state and local taxes applicable to sales and income of the
storage operator.
Proposed law provides that "carbon dioxide", "geologic storage", and "storage operator"
have the meanings ascribed to them in present law known as the La. Geologic Sequestration
of Carbon Dioxide Act (R.S. 30:1101 et seq.).
Proposed law applies to taxable periods beginning on or after July 1, 2025.
Effective July 1, 2025.
(Adds R.S. 47:1071-1074)
Page 3 of 3
CODING: Words in struck through type are deletions from existing law; words underscored
are additions.