我必須得出境才能拿到新TN。如何在美國境內換TN?再次感謝您!
-Ask your employer to file I-129 for TN for you within US, then you can get the TN status (I-94) based on the new employer sponsor after the I-129 is approved.
Otherwise, you have to go outside US to get the TN I-94 (not need to file I-129 in this case).