The parties may, by agreement in writing, exclude the application of Article XI and, in their relations with each other, derogate from or vary the effect of any of the provisions of this Protocol except Article IX (2)-(3).
除第九条第2款至第3款外，当事人各方可以通过书面协议排除第十一条的适用，减损或者变更本议定书任何条款对于他们之间相互关系的效力。