The Green House Gas Protocol “the world’s leading authority and international standard-setter on corporate GHG accounting” classifies the standards into:

• Product Carbon Footprint standard
  • Product Life Cycle Accounting and Reporting Standard first draft was developed in 2009

• Corporate Carbon Footprint standards
  • A Corporate Accounting and Reporting Standard was published in 2001
  • Corporate Value Chain (Scope 3) Accounting and Reporting Standard was published in 2011

Under the U.S. Securities and Exchange Commission (SEC)’s March 2022 climate-related rule proposal:

• Large accelerated filers are required to comply with Scope 1 and Scope 2 reporting requirements in FY 2023 (filed in 2024) and Scope 3 reporting requirements in FY 2024 (filed in 2025).
• Accelerated filers and non-accelerated filers must comply with Scope 1 and Scope 2 reporting requirements in FY 2024 (filed in 2025) and Scope 3 reporting requirements in FY 2025 (filed in 2026).