Requested changes are an output of direct and manage project execution. The direct and manage project execution process involves activities necessary to complete project work. Often during these activities, necessary changes in the project are identified. These requested changes often reflect an increase or decrease in project scope or modifications to the project schedule. The project management plan is an output of the develop project management plan process, which is a part of project integration management. Project plans are one of the inputs to direct and manage project execution. Approved corrective actions are one of the inputs to the direct and manage project execution process. These actions help ensure that the project performance is conforming to the plan.