The Lord Chamberlain's Office is a department within the British Royal Household. It is concerned with matters such as protocol, state visits, investitures, garden parties, royal weddings and funerals. For example, in April 2005 it organised the wedding of Charles, Prince of Wales and Camilla Parker Bowles. It is also responsible for authorising use of the Royal Arms.
Lt-Col. Michael Vernon, Comptroller of the Lord Chamberlain's Office, whose ceremonial responsibilities include conveying the Imperial State Crown to and from the Palace of Westminster for the State Opening of Parliament.