(a) To contribute to the development and implementation planning of concept of the WMO Integrated Global Observing System (WIGOS) and coordinate with the Sub-group on the WIGOS of the EC Working Group on the WIGOS and WIS; and provide relevant advice and support to the President of CBS;

(b) Monitor, report and make recommendations on the capability and utilization of composite observing systems comprising different observing networks to meet the requirements of the WMO and other international programmes/projects such as THORPEX and IPY, including the plan for the evolution of the GOS taking into account the development with respect to GEOSS;

(c) Review deficiencies in coverage and performance of the existing GOS, in particular in the implementation of the RBSNs, the GSN and GUAN (of GCOS) as well as related RBCNs, on the basis of monitoring results and regional studies, to make proposals to improve the availability of data to meet stated requirements; and to monitor and report on progress in the evolution of the GOS;

(d) Coordinate and consolidate the development of standardized high quality observing practices and prepare related recommendations;

(e) Assess the impacts of introducing new technology systems into the GOS on the status of regional observing networks, particularly those affecting the role of developing countries;

(f) Consider and report on the issues of costing, joint funding and management of the GOS;

(g) Strengthen collaboration between CBS and the regional associations, by providing advice on possible solutions for newly identified requirements.