Department of the Taoiseach All email correspondence between Microsoft Ireland and any of the following members of the Department of the Taoiseach - Taoiseach Leo Varadkar, Head of Unit John Carroll, Assistant Secretary, John Callinan and Chief of Staff Brian Murphy - in relation to the US warrants case during the period 1 Sep, 2017 to 31 Dec, 2017 . Minutes of any meetings held between Microsoft Ireland's Rebecca Radloff and any of the following members of the Department of the Taoiseach - Taoiseach Leo Varadkar, Head of Unit John Carroll, Assistant Secretary, John Callinan and Chief of Staff Brian Murphy - in relation to the US warrants case during the period 1 Sep, 2017 to 31 Dec, 2017 . This request is based on the following lobbying register return -https://www.lobbying.ie/return/23951/ibec