4. (e) Approve the organisational structure of the Secretariat; (f) Elect the Secretary-General, his Deputies and, on the recommendation of the Council, appoint the Financial Controller, the Accountant and the External Auditors; (g) Adopt the Staff Rules and Regulations of the Secretariat; (h) On the recommendation of the Council, take decisions and give directives concerning the regional economic communities in order to ensure the realisation of the objectives of the Community; (i) On the recommendation of the Council, approve the Community's programme of activity and budget and determine the annual contribution of each Member State; (j) Delegate to the Council the authority to take decisions in pursuance of Article 10 of this Treaty; (k) Refer any matter to the Court of Justice when it confirms, by an absolute majority vote, that a Member State or organ of the Community has not honoured any of its obligations or has acted beyond the limits of its authority or has abused the powers conferred on it by the provisions of this Treaty, by a decision of the Assembly or a regulation of the Council; (l) Request the Court of Justice, as and when necessary, to give advisory opinion on any legal question; and (m) In carrying out its function hereunder, exercise any other powers granted to it under this Treaty. The Assembly shall be assisted by the Council in the performance of its duties. Article 9 Meetings 1. The Assembly shall meet once a year in regular session. An extraordinary session may be convened by the Chairman of the Assembly or at the request of a Member State provided that such a request is supported by two-thirds of the members of the Assembly. 2. The office of the chairman shall be held every year by one of the Heads of State and Government elected by the Assembly after consultation among Member States. 14