查了一下AC21 -- 好像sdfsdfsdff說的也有道理
Question 1. Must an alien be the beneficiary of an approved I-140 petition in order to qualify for extension of H-1B status beyond the 6-year limit based on §104(c) of AC21?
Answer: Yes. Consistent with prior USCIS guidance on this subject, an approved I-140 petition is required in order for an alien to qualify for an extension of H-1B status beyond the 6-year limit under § 104(c).
誰有更好的解讀?