 As Lord Lieutenant he was also custos rotulorum, and his public duties included overseeing arrangements for visits to Wiltshire by members of the Royal Family and escorting them; representing H. M. the Queen at events, and presenting awards and medals on her behalf; liaising with the Wiltshire units of the Royal Navy, Army and Royal Air Force; leading the local magistracy as Chairman of the Lord Chancellor’s Advisory Committee on Justices of the Peace; and advising on nominations for national honours.Bush is currently chairman of the Wiltshire Historic Buildings Trust, Patron of the Community Foundation for Wiltshire, and Swindon and Chairman of Fredericks Wiltshire.His other interests in Wiltshire have included chairing the Bobby Van Trust.