; and (ii) fulfilling all other duties and responsibilities articulated in this Act or delegated to the chief trial judges by the chief judge. (d) administrative division (1) In general The administrative division of the Immigration Courts shall consist of an administrative office and an administrative council. (2) Administrative office The administrative office shall be managed by a chief administrative officer, who shall be responsible for— (A) implementing and administering operational rules, policies, and procedures of the Immigration Courts established by the appellate division or the administrative council; (B) assisting the administrative council in executing its responsibilities as described in paragraph (3)