1- Coordinating the activities of all Principal Staff Officers of the President & C-IN -C
2- Conveyance of all directives and decisions of the President, C-in-C to the SGF, CDS, Members and other top functionaries of Government
3- Formation of ad-hoc bodies as well as stipulating their terms of reference in conjunction with SGF
4- Chairing of meetings of Principal Staff Officers to the President, C-in-C
5-Monitoring and Coordinating the day to day activities of the President, C-in-C
6- Clearance of all official military and civil matters as well as preparation of executive summaries on official issues
7- Arrangement of all official appointments and engagements of the President, in conjunction with SCOP and ADC to C-in-C
8- Arrangement and convening of all meetings sanctioned by the President C-in-C as well as coverage of such meetings including provision of secretariat services
9- organizing Federal Executive Council meetings in conjunction with the cabinet secretariat and advising the President, C-in-C on schedules of the meetings to approval and eventual communication of same by the COS to the Cabinet Secretariat
10.- Attendance of National Defence and Security Council meetings
11. Coordination and attendance of the annual council/boards of Defence, NA, NN, NAF, NWC, CSC, NDA and NDF as well as following up all decisions reached at the meetings
12. Serving as a link between the President, C-in-C and the Service Headquarters
13. Vetting of all draft speeches for the President, C-in-C in respect of service functions
14. Management of correspondence to and from the President, C-in-C including the circulation of enrolled legislation, proposed Executive orders, decision memoranda, speeches and other Presidential documents to relevant State House functionaries for clearance and comment.
15. Ensuring that any document being forwarded to the President, C-in-C is in suitable condition, technically and substantively for President’s review and action
16- Maintenance and control of the President, C-in-C’s projects and welfare accounts
17—Authorisation of use of Presidential Air-fleet by Government functionaries