The Court of Peculiars is one of the ecclesiastical courts of the Church of England. The court sits with a Dean, who is also the Dean of the Arches. The Registrars are the Joint Provincial Registrars. The Court of Peculiars deals with all legal matters from peculiar parishes in the province. Until 1545, ecclesiastical judges were required to have a degree in canon law; thereafter, they only needed a doctorate in civil law. Binding precedent was only introduced into the ecclesiastical courts in the nineteenth century.