This note provides operational guidance for the use of the Sovereign Risk and Debt Sustainability Framework (SRDSF), which replaces the Debt Sustainability Framework for Market Access Countries. The SRDSF introduces improvements in organization, methodology, transparency, and communication when analyzing public debt issues in countries that mainly finance themselves with market-based debt. After its phased adoption beginning [June 2022], it will become the Fund’s principal tool for assessing public debt sustainability.