5. 显然，那些支持延伸工作范围以便包括基于门到门原则的其他运输方式规则的人，同样相信这是工作组应采取的正确办法。他们认为，对于今日及明日的运输概念需要提出全新的办法，特别是在集装箱运输领域，从而增加未来文书的价值，不过新办法应首先从海运方面产生。
5. It was evident that those who supported the extension of work to include rules for other modes, on a door-to-door principle, were equally convinced that that is the right approach for the Working Group to pursue. They argued that the transport concepts of today and tomorrow especially in the field of container transport require a fresh approach, which could give added value to the future instrument, although it would be maritime in its genesis.