The Committee on Pension Plan Financial Reporting (PPFRC) is issuing this explanatory report to provide members with additional information and details on the analysis done for the guidance outlined in the educational note supplement dated July 24, 2023, (Guidance for Assumptions for Hypothetical Wind-Up and Solvency Valuations Update – Effective June 30, 2023, and Applicable to Valuations with Effective Dates on or after June 30, 2023, and no later than June 29, 2024) issued as a supplement to the educational note dated March 23, 2023.