行政区域界线是确定各级政府行政管辖范围的根本依据,是各级政府及部门有效开展各项行政管理工作和保持界线沿线地区社会稳定的重要前提。为加强北京市行政区域界线法制化管理,2004年12月30日,北京市市长王岐山签署市政府第153号令,颁布了《北京市行政区域界线管理办法》(以下简称《办法》),该《办法》从2005年3月1日起施行。本刊记者 The boundary of administrative region is the fundamental basis for determining the scope of administrative jurisdiction of all levels of government and an important prerequisite for all levels of government and departments to effectively carry out various administrative tasks and maintain social stability along the border line. On December 30, 2004, Wang Qishan, Mayor of Beijing, signed Order 153 of the Municipal Government to promulgate the “Administrative Measures on the Boundary of Beijing's Administrative Regions” (the “Measures”) for the purpose of strengthening the legal administration of Beijing's administrative boundaries. The “Measures” came into force on March 1, 2005. Correspondents