The Provisions of Oxford were constitutional reforms developed during the Oxford Parliament of 1258 to resolve a dispute between King Henry III of England and his barons. The reforms were designed to ensure the king adhered to the rule of law and governed according to the advice of his barons. A council of fifteen barons was chosen to advise and control the king and supervise his ministers. Parliament was to meet regularly three times a year.
Coronation of Henry III
The seal of Henry III. Under the Provisions of Oxford, use of the seal was controlled by the Fifteen.
The Oxford Parliament (1258), also known as the Mad Parliament and the First English Parliament, assembled during the reign of Henry III of England. It is best known for the Provisions of Oxford, a set of constitutional reforms that forced the king to govern according to the advice of a council of barons.
Westminster Hall, where the barons confronted Henry III