California Code, Health and Safety Code - HSC § 44475.2

(a) All information documenting how, if at all, a “carbon neutral,” “net zero emission,” or other similar claim was determined to be accurate or actually accomplished, and how interim progress toward that goal is being measured. This information may include, but not be limited to, disclosure of independent third-party verification of all of the entity's greenhouse gas emissions, identification of the entity's science-based targets for its emissions reduction pathway, and disclosure of the relevant sector methodology and third-party verification used for the entity's science-based targets and emissions reduction pathway.

(b) Whether there is independent third-party verification of the company data and claims listed.

(c) This section does not apply to entities that either do not operate within the state, or that do not make claims within the state.