 Because of this, in 1216 he was excommunicated, and deprived of all benefices, He was eventually absolved, and made an official of the papal court and allowed to hold a prebend in France.On 14 May 1227 Langton was appointed Archdeacon of Canterbury, and held that office until his death in 1248.In January 1235 he was employed by King Henry III of England to negotiate a renewal of the truce with France.