- For land part, domestic air e signs the exchange required is the dollar tourism sale closed most recently, at 17 pm (on the Uol website presented as 00:00), on the last or current business day, depending on the day of payment and indicated on the website:
- For international air it is the specific exchange rate for the purchase of international tickets, which usually has a value between the commercial dollar for sale and tourism, to be checked at the time of issuance.