From the comparative analysis of the rules themselves, rights of intervention that the DSU grants third party are much less than the Statute of the Court, the Rules of the Court and NAFTA.

• 从规则本身的比较分析来看，DSU所赋予给第三方的介入权远远不及《国际法院规约》、《国际法院规则》和NAFTA条约充分完整。