A/RES/54/280 Page 7 3. The Commission agrees to follow, as far as may be practicable and appropriate, the standard budgetary and financial practices and forms used by the United Nations. Article XII Costs and expenses The costs and expenses resulting from any cooperation or the provision of services pursuant to the present Agreement shall be subject to separate arrangements between the United Nations and the Commission. Article XIII Protection of confidentiality Subject to the provisions of paragraphs 1 and 3 of article II, nothing in the present Agreement shall be so construed as to require either the United Nations or the Commission to provide any material, data and information the furnishing of which could, in its judgement, require it to violate its policy regarding the confidentiality of such information. Article XIV Registration Either the United Nations or the Commission may register the present Agreement with the United Nations. Article XV Implementation of the Agreement The Secretary-General of the United Nations and the Executive Secretary of the Commission may enter into such supplementary arrangements for the implementation of the present Agreement as may be found desirable. Article XVI Amendments The present Agreement may be amended by mutual consent between the United Nations and the Commission. Any amendment, once agreed upon, shall enter into force upon its approval by the General Assembly of the United Nations and the Commission. /...