The Committee on Pension Plan Financial Reporting (PPFRC) issues this explanatory report to provide members with additional information and details on the analysis done for guidance issued for Assumptions for Hypothetical Wind-Up and Solvency Valuations Update – Effective June 30, 2021, and Applicable to Valuations with Effective Dates on or after June 30, 2021 and no later than December 30, 2021.