Disabling a menu item

Hello.  I need to disable an item under the "Tools" menu on the AR Collections Workbench form(IEXRCALL) for all responsibilities.   I have very little experience with forms.  From my research it appears there are a few options for handling this change; forms personalization, updates to the custom.pll or develop a form rule using Preventative Controls Governor Form Rules.  Our preferred method is to build a form rule, however I'm unable to locate the menu item name.  I need to disable the menu item "Bankruptcy" under the "Tools" menu.