United Nations common system A/RES/74/255 A–B 3. Reaffirms the role of the General Assembly in approving conditions of service and entitlements for all staff serving in the organizations of the United Nations common system, bearing in mind articles 10 and 11 of the statute of the Commission; 3 4. Recalls articles 10 and 11 of the statute of the Commission, and reaffirms the central role of the Commission in regulating and coordinating conditions of service and entitlements for all staff serving in the organizations of the United Nations common system; 5. Notes with concern that with regard to the mandatory age of separation for staff having joined the organizations prior to 1 January 2014, while many of the organizations have implemented the mandatory age of separation as approved, some organizations have decided to use different implementation dates; 6. Reiterates its request to the Commission to recommend measures to address non-compliance with the decisions and recommendations of the Commis sion, and requests the Commission to report thereon to the General Assembly at its seventy fifth session; 7. Expresses concern at the application of two concurrent post adjustment multipliers in the United Nations common system at the Geneva duty station, urges the Commission and member organizations to uphold the unified post adjustment multiplier for the Geneva duty station under article 11 (c) of the statute of the Commission as a matter of priority, and requests the Commission to report on the matter to the General Assembly at its seventy-fifth session; 8. Notes with concern that the organizations of the United Nations common system face the challenge of having two independent administrative tribunals with concurrent jurisdiction among the organizations of the common system, as highlighted in the report of the Commission, and requests the Secretary -General, in his capacity as Chair of the United Nations System Chief Executives Board for Coordination, to conduct a review of the jurisdictional setup of the common system and submit the findings of the review and recommendations to the General Assembly as soon as practicable; 9. Invites the Secretary-General, in his capacity as Chair of the United Nations System Chief Executives Board for Coordination, to make every effort to ensure that decisions of the General Assembly are implemented in full and without undue delay across the United Nations common system; 10. Invites the Commission to carry out a needs assessment for its communication and legal expertise functions within its secretariat and in relation to its work and engagement with all relevant stakeholders and to present pr oposals in its next report; I Conditions of service applicable to both categories of staff Reaffirming paragraph 1 of section I.B of its resolution 72/255, in which it approved the principles and guidelines for performance appraisal and management for the recognition of different levels of performance, Urges the organizations of the United Nations common system to continue to abide by these principles and guidelines, and requests the Commission to report on their implementation to the General Assembly at its seventy-fifth session; __________________ 3 20-00330 Resolution 3357 (XXIX), annex. 3/5