21. Decides to include in the provisional agenda of its fifty-eighth session the item entitled "Implementation of the outcome of the United Nations Conference on Human Settlements (Habitat II) and of the twenty-fifth special session of the General Assembly".
21. 决定将题为"联合国人类住区会议（人居二）和大会第二十五届特别会议成果的执行情况"的项目列入大会第五十八届会议临时议程。