回複：回複：回複：回複：回複：有誰沒有綠卡，並且公司不sponsor綠卡的？

Based on AC21, you do not need to report your job change to USCIS if your I-140 is approved and I-485 pending more than 180 days. But your new job has to be the same/similar field. That is why sometimes USCIS might ask RFE to verify that and your new employer needs to provide this kind of letter.