Quote Originally Posted by buadhai View Post
A question: My initial visa was a multiple-entry Non-Immigrant O-A that was valid for a year. On my initial entry on that visa I was permitted to stay one year. On every subsequent entry I was permitted to stay for an additional year from the entry. So, when I re-entered the country on September 29, 2005 I was permitted to stay until September 28, 2006, even though my visa expired February 6, 2006.

What was it about that visa that permitted me to stay for a year at a time?
A friend of mine on non O-A had the same problem. When he reported to the IB office they told him not to worry about the date his visa expires.