BEIS0000404 - Annex to Submission: Letter from Post Office to Secretary of State re Horizon Attachments BEIS0000404.pdf (3.79 MB) Evidence information Document date 11 December 1998 Witness David Sibbick Peter Mandelson Sir Ian McCartney Stephen Byers Evidence type Letter Related content WITN03350100 David Sibbick - Witness statement WITN00600100 The Rt. Hon. Lord Peter Mandelson - First Witness Statement WITN03580100 Stephen Byers - Witness Statement Share this page