AC21 AOS Portability
According, to USCIS, when you are working under AC21 you are not out of status, you are in fact working according to the law and hence you should be able to join back. More...
Discussion Topics, Thursday, 9 March 2017:
FAQ: Revoke H-4 EAD regulation; Joining a company other than green card sponsor; staying abroad after green card - reentry permit; Green card holder staying abroad for more than 6 months; Medical problems/diseases that can cause issues in green card; Impact of the new I-140 regulations; Physician FMG applying for Cap H-1 through a cap exempt employer; Compelling circumstances EAD.
How to find out if my I-140 has been revoked, etc; AC21, changing jobs, when to file Supplement J;
Other: Correcting errors on I-140 approval; Revocation of I-140 and approval of H-1 extension; H-1 converting to B-1/B-2; Green card staying outside the USA for more than 6 months; Changing jobs after I-140 approval - priority date; H-1 extension when I-140 is denied, H-4 EAD, etc; Filling for N-400; I-130 returned to USCIS by consulate; Compelling circumstances EAD for child being sick; CSPA in family-based applications; etc.
You can continue to extend your H-1 even after I-140 is revoked by the employer, IF, the revocation was sent more than 180 days after I-140 approval.
Under AC21, you do not have to start a new green card if:
1. Your I-140 is approved;
2. Your I-485 has been pending for 180 days or more;
3. You will take an employment same as or similar to your green card job; and
4. You file Supplement J.
Discussion Topics, Thursday, 9 February 2017:
FAQ: Extension of H-1 beyond six years, gap in H-1, late in filing PERM, etc; How can a US green card holder study abroad without losing their green card? || Automatic EAD extension, I-485 EAD; US Citizen applying for green card for brother or sister; How do we keep up with the rumors and changes in the laws; Should I travel outside the USA/H-1B visa stamping; When is an H-1B amendment required? || Job promotions during AC21 portability of green card; Impact of I-140 approval after 180 days, etc.
Other: Spouse of US citizen filing for naturalization; Following to join; Executive Order against criminal aliens; Change of status from L-2 to H-1B, remainder option, H-1 quota; Qualifying for OP after studying on H-4 visa, etc. || Starting green card from the I-485 stage; Going to home country for an extended period of time while green card is pending; Company going out of business during green card; Entry and reentry on visitors visa, etc.