The Change Advisory Board's (CAB's) authorization of a change request is part of the Change Management process. This step is skipped when the Emergency change type is used. Instead, the plan is assigned directly to the change manager for final approval.
After the CAB members review the plans for a change request, each member can approve or deny the plan through the voting process. When all authorizations are submitted, the approvals and denials are counted and the change is marked as approved or denied. By default, a change request is approved if the number of approvals is greater than the number of denials.
After the change is authorized, the change manager provides the final approval for implementing the change.