A new project to implement the change can be created and associated with the change. Apart from creating new projects and tasks for implementing the change, already existing projects (worked out in anticipation of changes like the change-in-progress) too can be associated with the change.
Create a New Project and associate with Change
Click Changes and then select the Change of your choice from Change List View.
In the Change Details Page, navigate to Implementation stage and then click Create New Project.
Associating Existing Project to Change
Click Associate Existing Projects (under Change Implementation stage)
In the Associate Project to Change pop-up windows, select one or more projects from the list and click Associate.