I am trying to find the SOURCE of some displayed information found in purchase order summary. What i mean by source - is where does the data come. 1. On tool bar there is an action FOLDER. And within folder there are many options for information about a purchase order that can be viewed. one of these is EFFECTIVE Date. I would like to know more about what this means and where it gets populated. I do not see anything at po entry level. 2. In the index box at the bottom of the find purchase order screen there is a tab called DELIVER TO. What module or input OUR handles the information displayed. I am trying to find a description of the subinventory block and how it is supposed to be used.