When should the project baseline be updated in order ta meet the purpose of the...

In PRINCE2, the project baseline should be updated when a change has been formally approved by the change authority. This is because the baseline represents the agreed standards and plan against which the project's performance is measured. Updating the baseline after the approval of changes ensures that the project documentation accurately reflects the current scope, timescales, and resource allocations, which are essential for tracking progress and managing by exception effectively.References: (PRINCE2® 7 Foundation Handbook, AXELOS)