Change of Employers/Portability of H-1B Visas and I-140 Green Card Petitions

 

AC21 and other USCIS regulations provide specific guidelines for those who seek to change employers while holding the H-1B visa, or are waiting for an approval of their green card petition. The following memos are examples of these guidelines:

 

• June 11, 2001 DOS Cable on Portability
• June 19, 2001 Cronin Memo on H-1 and I-140 Portability
• August 4, 2003 USCIS Memo on H-1 and I-140 Portability
• March 31, 2004 USCIS Memo Regarding Concurrent I-140-I-485
• December 27, 2005 Memo Regarding H-1B and I-140 Portability
• March 18, 2016 Memo Regarding I-140 Portability