<P> The Provisions of Oxford were confirmed and extended in 1259 by the Provisions of Westminster . The administrative controls of the Provisions of Oxford were overthrown by Henry, helped by a papal bull, in 1261, seeding the start of the Second Barons' War (1263--1267), which was won by the King and his royalist supporters; and they were annulled for the last time in 1266 by the Dictum of Kenilworth . However the administrative and legislative reforms the barons had initiated were taken up and confirmed in the Statute of Marlborough . </P> <P> The 1258 Provisions had a significant effect upon the development of the English Common Law, limiting in part the expansion of royal jurisdiction by way of the number of available writs, but in the main confirming the importance of the common law of the land for all, from king to commoner . </P>

Why are the provisions of oxford important today