c) co-ordinating and considering the implementation strategies developed by the subsectoral committees and monitoring their implementation; d) considering the annual budget to the Committee of Ministers in the manner contemplated in Article 12 of the Treaty; e) generally reviewing and coordinating the activities of the sub-sectoral committees; f) reviewing the functioning of the SATCC-TU; g) considering the need for an amendment to this Protocol, a new annex or an amendment to an annex to this Protocol; and h) performing such other functions as may be determined by the Committee of Ministers. 5. For the purposes of the execution of its functions, the Committee of Senior Officials shall report to the Committee of Ministers on progress achieved in realising the objectives of this Protocol and formulate recommendations for approval by the Committee of Ministers. ARTICLE 13.6 SUB-SECTORAL COMMITTEES 1. The sub-sectoral committees are a) Integrated Transport Committee; b) Roads, Road Transport and Road Traffic Committee; c) Railways Committee; d) Civil Aviation Committee; e) Maritime and Inland Waterway Transport Committee; f) Telecommunications Committee; g) Postal Services Committee; and h) Meteorology Committee. 2. The sub-sectoral committees shall comprise a) senior officials and technical experts responsible for policy development and technical co- ordination in the sub-sector concerned; and b) consultative members representing public and private sector interests representative of service providers, users, regulators, labour and other stakeholders. 3. Member States shall annually in writing confirm appointments to the sub-sectoral committees to provide for continuity and consistency in group membership and appropriation of policies, decisions and implementation strategies. Member States shall appoint officials to committees for minimum periods of two years. 4. A sub-sectoral committee shall be chaired by a nominated official from the Member State which hosts the meeting of such committee.