Schedule how content is managed and disposed by specifying a sequence of retention stages. If you specify multiple stages, ...

Schedule how content is managed and disposed by specifying a sequence of retention stages. If you specify multiple stages, each stage will occur one after the other in the order they appear on this page. 

Note: If the Library and Folder Based Retention feature is active, list administrators can override content type policies with their own retention schedules. To prevent this, deactivate the feature on the site collection.