I am currently holding a J-1 and just start my J-1 waiver process. Due to the ever changing rules issued this September, I was forced to file I-485 (I-140 approved May, 2005). I knew that USCIS has the right to ask my J-1 waiver paperwork at any time. Since J-1 waiver usually will take several months to complete. I am really worried to provide my J-1 waiver approval paper in time. My questions is
What is the time window (days, months?) they will give you when request for RFE?
Thank you very much for the help in advance!