The stock issue mode is used to define the suggestion order of the product lots in the stock issue transactions: ? By lot. The lots are suggested in the alphanumerical order of their number. ? FIFO The lots are suggested in their creation date order in order to respect to order "First entered/First issued". ? FEFO The lots are suggested in their expiration date order in order to respect to order "First expired/First issued". This product setup takes place if the "Lots management" setup of the used transaction for the issue has "According to product" for value.