The purpose of Temporary Serial Numbers is for Receiving to auto-assign and add temporary serial numbers when the true serial number is not yet known. This allows you to print a price label for each of the temporary serial numbers. These labels are placed on each item to help with the tracking of that item. Once the identity of the true serial number becomes known, the temporary number is deleted and the true serial number is added. If the item has a user's manual, you can enter the user manual’s location in the Reference field of the new serial number. You then print a new label containing the true serial number and optionally the user manual’s location, and you place that label on the item. The serial number is printed in Code128 so it can be scanned in POS to help in selling that item.