Due to the lack of internationally unified rules of origin, countries formulate rules of origin according to their own needs, resulting in different criteria, leaving room for discretion.

• 由于缺乏国际统一的原产地规则，各国在制订自己的原产地规则时，往往从本国需要出发，标准不一，宽严各异，在判定进口货物原产地时往往存在随意性。