Which, for a merchant, if it happens, is damn near a death sentence. If you can't accept payments from Mastercard anymore, your business is pretty screwed.

So in practice this works mostly by deterrence. They rarely have to actually drop the hammer. Most merchants will comply well before it ever gets to that point.

Got it. So, if a startup is using Stripe to charge, I assume Stripe is able to pass that revocation on to the startup?