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 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)