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The gains or losses resulted from fluctuations of exchange rates (that is, exchange differences) can be calculated in the following two modes:

• On posting of each new transaction and during the month-end closing process.
• Only during the month-end closing process – the calculations performed for each new transaction during the period will be skipped.

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Revaluation of accounts is performed on per document (transaction) basis. The document amounts in the accounting currency are recorded will all the related information (Department,  Business Activity, Currency, Employee, Item, and so forth) which depends on the account and the section of COA.

Gain or loss resulted from exchange rate fluctuations for a document is calculated as follows:
1. The document amount is revalued based on the exchange rate of the foreign currency with respect to the accounting currency on the date of month end.
2. Gain or loss is determined as the difference between the document amount in the accounting currency on the month-end date and the document amount on the last revaluation date that can be the transaction date if the document was posted during the current month or the previous month-end closing date if the document was posted earlier. If the difference is greater than 0, the gain is recorded; otherwise, the loss is recorded

Exchange differences for  transactions that were paid during the period are also calculated during the month-end closing, using the exchange rate on the date of payment.

Calculation during the current period

If the Calculate Exchange Rate Differences on Month Closing Only option is not selected on the Administration > Settings > Money form, the exchange rate differences are calculated additionally during the period as follows:

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