Hereinto, postulate type of rule refers to such necessary qualifications as label, mark, related law and so on, barrier type of rule involves tariff barrier, quantity barrier, technology barrier, and anti-bump etc.

• 条件型规则主要指进入他国市场所要求具备的标签、标识及相关法规法律等; 壁垒型规则包括关税壁垒、配额为代表的数量壁垒、技术壁垒、反倾销等;