You can read the whole article at:
http://www.murthy.com/news/n_formov.html
"Nebraska Service Center
The Nebraska Service Center (NSC) reports the longest processing times, with a reported processing date of cases filed on or before August 31, 2002. The cases for which we have received approvals lately, however, have had filing dates between October 2002 and March 2004. Thus, although not as common, it is possible for cases to process through to approval in advance of the stated processing dates. Of course, in other situations it also can work in reverse and take longer than the processing dates would indicate. "
http://www.murthy.com/news/n_formov.html
"Nebraska Service Center
The Nebraska Service Center (NSC) reports the longest processing times, with a reported processing date of cases filed on or before August 31, 2002. The cases for which we have received approvals lately, however, have had filing dates between October 2002 and March 2004. Thus, although not as common, it is possible for cases to process through to approval in advance of the stated processing dates. Of course, in other situations it also can work in reverse and take longer than the processing dates would indicate. "