I'm pretty sure it would be illegal to do that in the EU without some explicit big red "You are about to overuse your quota. Any additional storage used will be billed at x€/GB. Do you want to proceed?" warning message.
I'm pretty sure it would be illegal to do that in the EU without some explicit big red "You are about to overuse your quota. Any additional storage used will be billed at x€/GB. Do you want to proceed?" warning message.