Model change management
The formal process for reviewing, approving, testing, and documenting changes to an existing model, whether a minor recalibration or a substantive redesign, so that changes go through appropriate governance and, where material, trigger revalidation rather than bypassing controls.
How the term is used in model risk management
The formal process for reviewing, approving, testing, and documenting changes to an existing model, whether a minor recalibration or a substantive redesign, so that changes go through appropriate governance and, where material, trigger revalidation rather than bypassing controls. The exact implementation varies by institution, model type, risk rating, and governing framework. Use the linked regulatory pages and buyer guides below for scope-specific requirements.