Teach employees to check banknotes of other currencies not "by eye", but in a special device, otherwise you can write a statement for this)
And tell me, how long has it been since money has been taken from us with barely noticeable erasable stains that are not visible, especially when money is constantly transferred from hand to hand? The employee said something about the new rules, but I didn't see them in my eyes. But in Belarusbank they take a stick and erase them, and they didn't say a word)