9. 关于执行部分第 28、29 和 30 段，目前无法估算第 2 款(大会和经济及社会理事会事务和会议管理)项下高级别会议所需经费的潜在费用问题。一旦对高级别会议的模式和形式作出决定，秘书长将根据大会议事规则第 153 条提交此类所需经费的相关费用。
9. With regard to operative paragraphs 28, 29 and 30, it is not possible at the present time to estimate the potential cost implications of requirements for the high-level meeting under section 2, General Assembly and Economic and Social Council affairs and conference management. Upon decision on the modalities and format of the high-level meeting, the Secretary-General would submit the relevant costs of such requirements, in accordance with rule 153 of the rules of procedures of the General Assembly.