A question on bank accounts

Hello
I think yes, you can manipulate with css – show/hide bank container on checkout page.

https://currency-switcher.com/documentation/#!/section_8
For this you are need in your header.php implement next css code:

global $WOOCS;

if($WOOCS->current_currency == 'EUR'){
?>
<style type="text/css">
  .bank1_acc_div{display:none;}
  .bank3_acc_div{display:none;}
</style>
<?php
}

if($WOOCS->current_currency == 'GBP'){
?>
<style type="text/css">
  .bank2_acc_div{display:none;}
  .bank4_acc_div{display:none;}
</style>
<?php
}

smth like this …

Of course instead of bank2_acc_div and another you should place right css classes of its container on checkout page …