You must set up lot numbered stock items in Inventory if you want to add lot numbers as you receive items in Purchase Order. When you enter the quantity of a lot numbered item in the PO Receive Items window and move to the next detail line in the grid, the PO Receive Items - Assign Lot Numbers window appears. Enter each lot number and the quantity you received. You can add new lot numbers or use the Lookup to select existing lot numbers. You can also add an expiration date for each lot number, if applicable.

The window appears for each lot numbered stock item received on the purchase order.