The life cycle of a file, folder, or custom object is determined by the category to which it is assigned. When a category is selected in the Configure Categories dialog box, the assigned life cycles are listed on the Lifecycles tab in the Behaviors group.
Administration
Vault Settings
Categories.
Assign.
Note: If a category only has one lifecycle definition assigned to it and it is not <None>, then it becomes the default definition. This lifecycle definition cannot be removed from this category until a new lifecycle definition is assigned as the default.