Fixed-term Parliaments Bill

Before he sits down, can the noble and learned Lord, Lord Wallace, confirm that the Government’s amendment covers everything that had arisen in discussion with the National Assembly for Wales and in the debate that took place on this matter there? When he says that this is a one-off solution, how might this be handled in future? Does it mean going through all this again every time there might be a coincidence or is there some agreement to get some stable basis ongoing for however long?