In Scotland a sheriff principal (pl. sheriffs principal) is a judge in charge of a sheriffdom with judicial, quasi-judicial, and administrative responsibilities. Sheriffs principal have been part of the judiciary of Scotland since the 11th century. Sheriffs principal were originally appointed by the monarch of Scotland, and evolved into a heritable jurisdiction before appointment was again vested in the Crown and the monarch of the United Kingdom following the passage of the Heritable Jurisdictions (Scotland) Act 1746.