National Insurance Contributions Bill

: On retrospection, which has been raised by my right hon. Friend the Member for East Yorkshire (Mr. Knight), it may well be expedient for the Treasury to decide that it wants to claw in more tax revenues. As my hon. Friend the Member for Christchurch (Mr. Chope) has said, however, an independent body making an independent judgment may well say that such a decision is not reasonable, although it is expedient for the Treasury.