The other point relates to the whole question of BATNEEC, an opt-out for local authorities, in particular. A limit must be set because one cannot allow an open cheque book in this regard. The term BATNEEC has been used not to do things that should have been done. It must be acknowledged that local authorities have been serious polluters. In much legislation during the years there has been an opt-out for local authorities. Everyone else is required to obey the law bar the local authorities.