Overrides on Exchange Rates and Dates
When you post a transaction, Vision normally uses the exchange rate in effect on the date that you enter for the transaction. However, you can use the Currency Override dialog box to change the exchange rate during Transaction Entry.
Use an override to account for circumstances in which the published exchange rate does not apply to a particular transaction.
You can override the rate used for the full transaction, or you can override the rate used for a single transaction line item. In either case, you can specify: