images Comments and faves Casey Anthony stands for theLostInGCProcess10-31 11:28 AMMy employer will not withdraw my I-140. Should I still go ahead with AC21 or should I just do change of address with USCIS? I will be starting my new job pretty soon. Any useful suggestions appreciated. Thanks! Samcam Its not necessary. however if you ever get a RFE, you have to be ready to respond with your