Hi- My I-140 is approved (PD March 2010 EB2I) via my employer. My firm wants me to take an overseas position in Asia for over a year (potentially extended). The location move has a great career progression, however, I don't want to loose my priority date. My current H1B expires in May 2018. My question is, I know I could get unlimited H1B extensions based on I140 case. However, is it still true when I move out of the country and come back after say 2 years or would I have to start all over again (facing H1B cap and starting GC process all over again with existing PD).