I accept that, but we are looking for a simple system—[Interruption.] No, the issue at stake is trying to find a straightforward and simple system that bears down on the idea of universality, which we should try to do if our welfare system is to retain any credit.
I hope that even at this late stage the Minister will give some thought to the matter. I work on the basis that I want the measure to work, but nothing would undermine our tax system more than the benefit before us being undermined, as many of us fear, through the practical difficulties that are almost inevitable. Let us for once, as I say, be wise before the event.