The system posts exchange rate differences manually in profit and loss a/c automatically as realised gains or losses manually as realised gains or losses automatically as unrealised gains or losses. Exchange rate differeneces are not posted for open items valuated true false. Reconciliation account field can be found in which segment of customer/vendor master record? line item Company code IMG. tick types of currencies in my SAP ERP Hard currency index currency transaction currency. when clearing an open item that has already been valuated the system reverses the balance sheet correction account true false. one gain/loss account can be assigned to all currencies and all currency types per currencies and currency type per currency per currency type.