The Scientific and Technical Committees are established by the Science Board (
SB), with the approval of the Governing Council (
GC), as ongoing groups and are organized according to scientific or technical subjects.
                Each Committee is responsible for overseeing the activities of their subsidiary bodies and for determining priorities for consideration by SB and GC. Details on the functions, membership
                and leadership of the Committees and on the election procedure for a Committee Chairman are described in Rules 
13,
                
14 and 
17 of the Rules of Procedure.
            
                Scientific Committees are responsible for the planning, direction, and overseeing of major themes within the Organization’s general scientific aims.
                
                
                
                
                
                
                    - 
                        HD Human Dimensions CommitteeHD Subsidiary Bodies
                        WG 51
                        WG 53
                Technical Committees are responsible for facilitating the technical and operational activities required to support the Organization’s science.