how long h1b approval premium processing
Once you have a receipt number, you may start working with your new employer before H1B transfer is approved. Typically, it will take 2-3 months to transfer a H1B to a new employer with regular processing, for an additional $1225 you can do the premium processing and get an approval in 15 business day.However, you do not have to wait until itâs approved.nce you have a receipt number, you may start working with your new employer before H1B transfer is approved. Typically, it will take 2-3 months to transfer a H1B to a new employer with regular processing, for an additional $1225 you can do the premium processing and get an approval in 15 business day.