EB3的140批了後，申請h1不的三年延期之後，如果換工作，這個三年的h1b是否還有效？因為h1b的六年已經用完了。應該怎樣來保持合法身份呢？
-As long as the I-140 sponsor (your current employer) does not withdraw the approved I-140, you can use it to extend your H1 for another 3 years beyond the 6 year limit when you do the H1 transfer.
