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The Final Rules, that were proposed two years earlier in March 2022, generated a huge response. Over 4,500 unique comment letters and 18,000 form letters were submitted to influence and support ‘The Enhancement and Standardisation of Climate-Related Disclosures for Investors’.
The SEC’s efforts to issue these new rules are the result of investor demands for consistent, reliable, and comparable information regarding climate-related risks. More specifically, these Final Rules set out the information needed to help investors assess how climate risks affect a registrant’s business and financial condition, and assess the registrant’s management and board oversight of its climate-related risks.
What distinguishes the SEC requirements from those issued by other sustainability standard setters, most notably the IFRS Sustainability Disclosure Standards (IFRS SDS) issued by the International Sustainability Standards Board (ISSB) and the European Sustainability Reporting Standards (ESRS) as required by the Corporate Sustainability Reporting Directive (CSRD) in the European Union, is that there is no requirement to disclose Greenhouse Gas (GHG) Scope 3 emissions.
The Final Rules set out in a new subpart 1500 of Regulation S-K and Article 14 of Regulation S-X require reporting entities to make robust climate-related disclosures, which include details of:
Although the new rules require climate-related disclosures, there are significant differences between the Final Rules and the IFRS SDS and the ESRS in several main areas. Below is a snapshot of some of these differences:
These new rules apply to all SEC registrants. The SEC has implemented a phased-in approach for complying with the new rules based on registration filing status.
In addition to the phased-in approach by filing status, the SEC has also implemented a phased-in approach for certain more complex requirements in deference to the additional time needed for registrants to comply.
These three items, as well as the assurance requirements, will come into effect at the specified later dates.
This table illustrates the compliance dates required for each type of filer and requirement, with the date indicating that compliance is required in the financial year beginning in the calendar year listed.

Reporting entities in scope of the Final Rules should start getting ready to comply as soon as possible. These rules will require the collection of data that entities may not yet be able to collect due to system or process restrictions and involve topics that many entities may not yet have expertise in. Due to these complexities, it may take longer than anticipated to prepare the required disclosures and prompt action should enable registrants to comply in a timely manner as the deadlines set are demanding.
We welcome the adoption of these Final Rules because they are a first step towards U.S. public companies providing climate-related information to both investors and global entities that are involved in their value chains. These Final Rules will further improve the transparency of U.S. public company reporting on climate-related matters which are increasingly becoming of great interest to investors.
The extent of climate related disclosures that are set out in these Final Rules in many instances will require registrants to build new systems and controls, so there is likely to be a significant increase in compliance costs, not only in the first year of application, but in subsequent periods as well.
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