Exiting the European Union

Further to that point of order, Madam Deputy Speaker. In the interests of physical hygiene, it may be the case that the Leader of the House will use the Government Dispatch Box next, but should he rise to move the next debate, there is a possibility, of course, that the Opposition Dispatch Box has been touched by another Member and should be cleaned in advance of the right hon. Member for Walsall South (Valerie Vaz) arriving.