...
When an entity sells goods and services in the country of registration, it creates Quotations, Customer Orders, and Invoices. Information on exchange rates used for the document and the taxation option appears as the link on the Main tab of the document.
The Customer Order form. The Main tab
...
If you need to review the data or enter another rates, click the link - this opens the Prices and Currencies dialog box.
The Prices and Currencies dialog box
When an entity purchases goods and services in the country of registration, it creates Purchase Orders, Invoices Received, Debit Notes, Additional Expenses, Requisitions and others. Information on exchange rates used for the document (contract) and the taxation option appears as the link on the Main tab of the document.
The Purchase Order form. The Main tab
...