The King of Spain uses a flag known as the Royal Standard. The Royal Standard of Spain consists of a crimson square with the Coat of arms of the King in the center. It is usually flown at the King's official residence, the Palacio de la Zarzuela, other Spanish royal sites, displayed on his official car as small flags. It is regulated by clause 2 of Royal Decree 527/2014, 20 June, an amendment to Title II of Spanish Royal Decree 1511/1977 adopting Flags, Standards, Guidons, Insignia and Emblems Regulation.