A/RES/51/241 Page 11 76. The system of in-career promotion shall be made more transparent. 77. A planned rotation among different departments as well as between Headquarters and the field level, as appropriate, as endorsed by the General Assembly in its resolution 49/222 A of 23 December 1994, as one way of enhancing experience and skills, should be developed and submitted to the Assembly. 78. The performance appraisal system shall be subject to periodic review and audit and comparative statistics should be maintained for review by the General Assembly. XXIV. SECRETARIAT REMUNERATION 79. The General Assembly shall request the International Civil Service Commission to prepare proposals for a possible system of performance-based remuneration for its consideration. 80. The General Assembly shall reiterate that topping up of remuneration of their nationals in any way by Member States is not acceptable and shall request the Secretary-General to report on the matter. XXV. INDEPENDENCE OF THE SECRETARIAT 81. Further efforts shall be made, consistent with Article 101 of the Charter to pay due regard to the importance of recruiting the staff on as wide a geographical basis as possible. 82. Compliance with Article 100 (2) of the Charter is of fundamental importance and it would be timely to call upon Member States scrupulously to observe Article 100 (2) and to request the Secretary-General to prepare guidelines on what constitutes acceptable representations to him and his staff on appointments. 83. Consistent with Article 101 of the Charter, Secretariat guidelines for staff members on financial interests shall include a requirement at all levels of senior management for specified financial disclosures at the time of appointment and on a regular basis. These financial statements shall be dealt with on a basis of confidentiality.