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