Voucher Classes in Journals is used to handle Forex Gain Loss Adjustments for companies having Multi-Currency Accounts. You would create a 'class' in the normal way (Accounts Info > Voucher Types > Alter > Journal). Having selected the class during Voucher Entry, you will find only those Ledger Accounts appearing which have a Gain/Loss to be adjusted as of the date of voucher and auto-calculation of these amounts.
'Voucher Class for Journals' has been shared with