Dr Julian Lewis: My right hon. Friend may not be aware that there was a six-month stand-off in 2018 between the then Defence Committee and No. 10 over whether Sir Mark Sedwill, newly appointed as National Security Adviser, should appear before that Committee, because it was argued that he appeared before the Joint Committee on the National Security Strategy and he need not come to us. Can my right hon. Friend give us an assurance that this National Security Adviser will indeed testify as required before all relevant Committees, including the Foreign Affairs Committee, the Defence Committee and, who knows, the ISC, if it is re-established by then?
[The Chancellor of the Duchy of Lancaster and Minister for the Cabinet Office (Michael Gove): I very much take on board my right hon. Friend’s point. It is the case that normally for any particular official or Minister there will be one Select Committee, which is the principal area to which they will be accountable. But, speaking for myself in my own role, I have been held accountable by the Committee on the Future Relationship with the European Union as well as by PACAC. I know that David Frost will want to engage with all the Committees of this House and the other place in order to ensure appropriate scrutiny.]