20. 专家组还指出，其研究表明，许多发生的跨国事件涉及报告国认为具有恐怖主义性质的活动。专家组未能就需要一项国际文书的建议达成一致。但专家组一致认为，如果联合国决定拟订这样一项文书，不应以任何方式对其适用范围加以限制，以免将任何特定形式的犯罪包括恐怖主义排除在外。因此，专家组决定建议不将任何此种文书拟订成《联合国打击跨国有组织犯罪公约》的议定书，因为该公约的确含有某些这类限制。
20. The Group of Experts also noted that its research suggested that many of the transnational incidents that did occur involved activities considered by the States that reported them to be of a terrorist nature. It did not agree on any recommendation regarding the desira-bility of an international instrument. It did, however, agree that should the United Nations decide to proceed with the development of such an instrument, it should not be restricted in the scope of its application in any way that would exclude any particular form of crime, including terrorism. In this context, it decided to recommend that any such instrument should not be developed as a further protocol to the United Nations Convention against Transnational Organized Crime, which did contain some such restrictions.