Police reform and social responsibility Bill

The hon. Gentleman says that he thinks that would be extremely unlikely, but given the fact that it could happen, however unlikely, and the seriousness of a PCC's unfettered ability to sack a chief constable, does he not agree that the Bill should at least provide HMIC, for instance, with a reserve power to refer such a sacking to the Home Secretary so that he or she could judge whether anything untoward had happened? Is not some sort of reserve power necessary to protect against such an eventuality, however unlikely?