Police Reform and Social Responsibility Bill

My Lords, I am grateful to my noble friend and to the noble Lord, Lord Desai, for their support. I keep coming back to my question about what is so special about Parliament Square, apart from the fact that we love it. Noble Lords may have noticed that although I oppose a great deal of the Bill, the encampment is a different matter. I am not entirely encouraged to hear that more by-laws may be applied, but there we go. I do not think that my noble friend answered my question about Clause 142(2). Can he answer the question about when it applies from—what I said was not technically retrospective—