When you change Using P9220 VO ,at the same time It changes in the Cenrtal objetcs of the path code where you have logged in, and makes entry in Default project
Move this object is new project and promote this object you can see your VO changes is resp pathcode
Note: Check Activity Rules in OMW are setup for VO type object
Sorry earlier my post was saying about VO
for UO when you change those changes are marked under the user profile who has changes the UO and will be available for that user only.
Make sure before promote this changes you make copy for *public in order to publish this change across the board.