HMT00000017 - Letter from Cabinet Office to Rod Clark (Director of Social Security) re-Horizon Attachments HMT00000017.pdf (8.52 MB) Evidence information Document date 11 February 1999 Witness Lord Alistair Darling Stephen Byers Evidence type Letter Related content WITN04200100 Lord Alistair Darling - Witness Statement WITN03580100 Stephen Byers - Witness Statement Share this page