Persons granted an EB-188 visa in the Significant Investor stream, the Significant Investor Extension stream or the Premium Investor stream on the basis of satisfying secondary criteria (the secondary visa holder) cannot meet Schedule 1 requirements to make a valid EC-888 application in their own right, unless they were the spouse/de facto partner of the primary visa holder and that primary visa holder has died, or the primary visa holder and secondary visa holder are no longer in a spouse/de facto partner relationship. This rule does not apply to Business Innovation, Business Innovation Extension and Investor streams
188C 188d 的持有人只有在和原配偶的关系解除后（死亡或离异）才能独立申请888签证
188a 188b 的持有人可以主付申请人互换
