Answer: E - Consulting the change control process is correct. Answers A through D might all be effective individual choices given the project that you are managing. However, every company has a formal change process which specifies who must be notified when a change is approved. If there isn’t one, then you’re off the hook, but you might do well to help the firm put one in place.
Key Takeaway: We included this question to remind you that you should do whatever is formally required by the change control processes at the organization you are at. Additionally, a project manager should use their discretion in how they would notify other parties.