Correspondents include: Sir Horace Hamilton [Chairman, Board of Customs and Excise, until mid-1927] (11); James Grigg [Principal Private Secretary to the Chancellor of the Exchequer] (7); Sir William Mitchell-Thomson [later 1st Lord Selsdon, Postmaster-General and Chief Civil Commissioner]; Charles Hardisty [HM Customs and Excise] (5); Frank Newsam [Private Secretary to the Home Secretary]; Donald Fergusson [Private Secretary to the Chancellor of the Exchequer] (2); Attorney-General [Sir Douglas Hogg, later 1st Lord Hailsham]; Sir Francis Floud [Chairman, Board of Customs and Excise, from latter part of 1927].Also includes: cuttings from the Sporting Life and the Times.Subjects covered by the file include: details of Jockey Club returns of gate receipts, betting duty revenue, and legal proceedings under the regulations; details of the betting duty debate; telephone and telegraph revenue; illegal betting and tax evasion; cash betting by post; the Turf Guardian Society's views.