 In addition to its legislative and deliberative role, the Chamber of Peers also acted as a special court for the trial of impeachments (Article 55) and for cases of "high treason and attacks against the security of the state" (Article 33).The members of the two Chambers enjoyed certain parliamentary privileges, including immunity from arrest (Articles 34 and 52).The President (Speaker) of the Chamber of Deputies was appointed by the King from a list of five members presented by the Chamber (Article 43), while the Chamber of Peers was presided over by the Chancellor of France, an official appointed by the King (Article 29).