A/RES/51/211 Page 2 established in Assembly resolutions 41/213 of 19 December 1986 and 42/211 of 21 December 1987; 5. Also requests the Secretary-General to include in the list of official holidays of the United Nations Id al-Fitr and Id al-Adha; 6. Decides that no United Nations meetings shall be held on Id al-Fitr and Id al-Adha, which occur in 1997 on 10 February and 17 April, respectively, and requests the Secretary-General to make the necessary arrangements to ensure strict implementation of this decision when preparing all future draft calendars of conferences and meetings of the United Nations; 7. Decides also that requests for waivers to the headquarters rule contained in General Assembly resolution 40/243 shall be reviewed by the Committee on Conferences prior to consideration by the Assembly; 8. Invites all its subsidiary bodies that are authorized to meet away from their established headquarters to review, in the interest of improved efficiency and cost-effectiveness, the exception to the headquarters rule in the light of the current situation of their work and to make recommendations thereon, through the Committee on Conferences, to the General Assembly at its fifty-second session; 9. Invites the Economic and Social Council to request all its subsidiary bodies to carry out the review referred to in paragraph 8 above; 10. Requests the bodies that have not fully utilized their meeting entitlements, including the duration of their sessions, to review their entitlements and to report the results of their review to the General Assembly through the Committee on Conferences; 11. Expresses concern that the overall and average factors for the utilization of conference services have fallen further and were below the established benchmark figure of 80 per cent in 1995; 12. Reiterates its request to the Committee on Conferences, in consultation with the organs concerned, to examine the cases where the utilization factor is lower than the established benchmark figure for at least three sessions, with a view to reporting on problems and factors that have given rise to such a situation, and to make appropriate recommendations in order to achieve the optimum utilization of conference-servicing resources; 13. Expresses concern about the underutilization of conference facilities at duty stations outside Headquarters, and emphasizes the need to make the most effective use possible of such facilities; 14. Endorses the initiatives taken by the Chairman of the Committee on Conferences with a view to assisting bodies to achieve the optimum utilization of conference-servicing resources and, to that effect, to assess realistically their need for such resources; 15. Requests the Secretary-General to ensure closer cooperation between Headquarters, the United Nations Office at Geneva, the United Nations Office at Vienna and the United Nations Office at Nairobi in order to improve the coordination of conference services; 16. Requests the Secretariat to engage on a regular basis in an active dialogue with Member States as a permanent feature at Headquarters, as well as at the United Nations Office at Geneva, the United Nations Office at Vienna and the United Nations Office at Nairobi, in order to improve the coordination of conference services; /...