Article 21: For any inter-basin diversion project,integrated planning and scientific justification must be undertaken,water demands of both the export and import basins must be considered,and adverse impacts on the ecological environment must be averted.

• 第二十一条 兴建跨流域引水工程，必须进行全面规划和科学论证，统筹兼顾引出和引入流域的用水需求，防止对生态环境的不利影响。