Physical contact on a referee

[Dribble]

Nick, sounds like if the calling official thought it was accidental, then like others have said already, there's not much to do. You could always ask the coaches to tell their players to be more careful in the future, but that has its time and place.

If the calling official's partner(s) saw the play and thought the act was intentional, then immediate ejection...I'd wait a split second to see if the bumped official will do it him/herself otherwise I'd step in.