I'm not sure I understand what SW is doing in 2009 with custom properties. I know that configuration specific properties over ride the custom tab. The problem I'm having is that in an assy I have another assy inserted twice that has four configurations. Currently two (1 & 2) are shown on the drawing. The balloon is pointing to config 1 while the stock list is pulling data from config 3.What drives which custom properties are used for a stock list?