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Water Bills (South-West)

May I just clarify matters relating to interventions? I do this partially with an apology to the hon. Member for Plymouth, Sutton (Linda Gilroy). Strictly speaking, only additional speeches need to get the permission of the person who secured the debate, the Minister and the Chair. Interventions are taken at the discretion of the speaker. May I say to hon. Members that notice, even of an intervention, is helpful? It might help the person who secured the debate and the Minister to deal with the matter; thus the debate will be more constructive. I hope that that proves helpful to hon. Members.