我的PD是11/2006.这个是3/28/09 updated在网上。是什么意思？谢谢！
On August 20, 2007, we received this I485 APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS, and mailed you a notice describing how we will process your case. Please follow any instructions on this notice. We will notify you by mail when we make a decision or if we need something from you. If you move while this case is pending, call customer service. We process cases in the order we receive them. You can use our processing dates to estimate when yours will be done. This case is at our NEBRASKA SERVICE CENTER location. Follow the link below to check processing dates. You can also receive automatic e-mail updates as we process your case. Just follow the link below to register