To ask the Prime Minister pursuant to the answer of 21 May 2007, Official Report, columns 1120-1W, on Prime Ministerial duties and responsibilities, what the practice under successive Administrations is, referred to in the answer of 9 December 2003, Official Report, column 374W, to the right hon. Member for Haltemprice and Howden (David Davis), on ministerial duties; and on what occasions appropriate arrangements have been put in place in line with this practice. (139179)