There is no need for such a mechanism. But the quicker he leaves Ukraine and the less damage he causes, the more likely it is, that the West would relax the san

There is no need for such a mechanism. But the quicker he leaves Ukraine and the less damage he causes, the more likely it is, that the West would relax the sanctions. (I could easily imagine opening up North Stream 2 quickly, if the money paid for the gas would go to Ukraine until the damages are compensated for)