To open the Forced Comments sub-tab of the Global Settings tab, start by selecting the Global Settings menu item from the Administrator menu on the main form.
The Forced Comments sub-tab shows all ratings currently available in the Ratings sub-tab of the Global Settings tab. Check the box next to the rating for which subsequently-added criteria must have a comment entered. For example, the settings below require a comment to be entered for any new criteria which have a rating of 1 (Unacceptable) or 7 (Superior):