During a progress review meeting, the project sponsor requests a complete revamp of the product...

Since the requested change implies a complete shift in direction and scope, the business case must be updated to reflect the new strategic goals. The business case justifies the project’s existence, and updating it ensures all stakeholders are aligned before initiating a new scope or restarting the project.

Option A is reactive and premature without business justification.

Option B is tactical and may follow later.

Option C bypasses critical governance and approval processes.