They exist widespread and involve trade in Goods, trade in service trade-revealed intellectual property. They allow WTO members to take measures to derogate and exempt from WTO obligations in order to safeguard specific interest of national security.

• 其分布广泛，涉及货物贸易、服务贸易、与贸易有关的知识产权等，它允许世贸组织(WTO)成员方为维护特定的国家安全利益而可以采取背离WTO的任何原则和规定的措施。