Paradeuniform
In the United Kingdom, court uniform was formerly worn by various ranks within the Civil and Diplomatic Service, by Privy Counsellors, and by officials of the Royal Household (who were distinguished from other wearers of the uniform by having scarlet, rather than blue, collar and cuffs). Full dress was worn at courts, evening state parties, drawing rooms, state balls, state concerts, etc.; levée dress was worn at levées, and other ceremonies where full dress was not worn. Neither were worn after retirement without special permission.