If She/he denies the extension of the visa, you must have a checking account in Brazil to be able to receive a refund. If you are crossing a land border and plan to return to Brazil (e.g. following a working day journey to Paraguay or Argentina), the last number on https://rocketmaxx.com/userinfo.php?from=space&op=userinfo&do=profile&name=Your_Account&userinfo=michael_ewart-451692