Click Manage Rules when you're in the folder or category in the File
Plan you want to switch off inherited rules for.
Tip: You can also hover over a category/folder with rules applied (indicated by the icon) and click More then Manage Rules.
If a category/folder has inherited rules these are displayed on the left side of the page.
Click Inherit Rules.
Any inherited rules are switched off for the category/folder and Don't Inherit Rules is shown. You can click Don't Inherit Rules to switch inherited rules back on for the category/folder.