How is National Assembly Service Commission policy constituted? This is done by the Constitution of the Federal Republic of Nigeria Where is the National Assembly Service Commission Located The office of the Commission is located at Plot 644 T.O.S Benson Crescent,Off Ngozi Okonjo-Iweala Way,Utako Abuja,P.M.B 558. What are the core duties of NASC Chairman? The chairman of the Commission shall be the Chief Executive of the CommissionThe Chairman presides over management meetings of the Commission What are the functions of National Assembly Service Commission? The functions of the National Assembly Service Commission are as follows; To Keep Record of the National Assembly