83. 主席是余留机制的最高权威，并因此作为机构首长，负责全面执行余留机制的任务。主席协调各分庭的工作，主持上诉分庭的诉讼程序，监督书记官处的活动，监督判决的执行，签发程序指示，代表余留机制出席安全理事会和大会的会议，并履行其他代表职能，包括与秘书长、联合国会员国常驻代表和会员国大使以及受害者代表进行接触。此外，主席还负责行使《余留机制规约》及《程序和证据规则》所赋予的所有其他司法、准司法和行政职能，包括签发与执行判决有关的命令和裁决，审查行政决定，以及指派法官从事司法活动。
83. The President is the highest authority of the Mechanism and accordingly acts as its institutional head and is responsible for the overall execution of its mandate. The President coordinates the work of the Chambers, presides over proceedings in the Appeals Chamber, supervises the activities of the Registry, supervises the enforcement of sentences, issues practice directions, represents the Mechanism before the Security Council and the General Assembly and performs other representational functions, including vis-à-vis the Secretary-General, permanent representatives of States Members of the United Nations and ambassadors of Member States, as well as victims’ representatives. In addition, the President is responsible for exercising all other judicial, quasi-judicial and administrative functions conferred by the statute and the Rules of Procedure and Evidence, including the issuance of orders and decisions related to the enforcement of sentences, the review of administrative decisions and the assignment of judges for judicial activity.