What? I have never come across that. No problem with notes in many currencies with folds a creases, even small tears.. In my experience bank notes last for ever anyway. I have various notes from countries I have travelled to decades ago in good condition.
If you're going to Paris? Sure, as long as the amounts are relatively small. Try paying with pre 2009 100USD bills in Africa lol.
Even banks struggle with this https://meduza.io/en/feature/2025/05/30/old-money-new-proble...
Goes to show how viable cash is as a store of value for most of the world.