请教法居士how to withdraw B2 extend 法居士comeinPL2004-10-11 22:41:48

请教法居士How to withdraw B2 extend for my mother?
We filed B2 extend for my mother Sep 24. But now, we decided to withdraw the case. I heard we can write a letter to Someplace to get the I-94 back. My mother will leave to china at early November.
Do you know the office address?
Many Thanks.