![](http://icons.iconarchive.com/icons/petalart/christmas-cookie/64/christmas-bell-icon.png)
![](http://icons.iconarchive.com/icons/petalart/christmas-cookie/64/christmas-bell-icon.png)
F1...........8-12-2006.......Tăng 4 tuần
![](http://icons.iconarchive.com/icons/deleket/soft-scraps/32/Button-Upload-icon.png)
F2A..........08-09-2013.....Đứng yên
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F2B.........01-06-2006.....Tăng 4 tuần
![](http://icons.iconarchive.com/icons/deleket/soft-scraps/32/Button-Upload-icon.png)
F3...........15-04-2003.....Tăng 5 tuần
![](http://icons.iconarchive.com/icons/deleket/soft-scraps/32/Button-Upload-icon.png)
F4...........01-10-2001.....Tăng 3 tuần
![](http://icons.iconarchive.com/icons/deleket/soft-scraps/32/Button-Upload-icon.png)
http://www.travel.state.gov/visa/bulletin/bulletin_6228.html