Your client has requested a change to the project and as a result you are preparing a change request according to the approved change control process that your project management methodology prescribes. A project administrator on your project asks to assist in the preparation and assessment of the change request but seems confused about the key characteristics of a change request. You explain that all of the following are characteristics of a change request except?

A: Every documented change request must be approved or rejected.

B: All change requests should be considered by the change control board.

C: They may be initiated verbally.

D: They may involve assessing impacts on several knowledge areas.