To apply for an extension of either B-1 or B-2 status, the application to
the Bureau of Citizenship and Immigration Services (BCIS) must include the
following:
1. Completed Form I-539 (Application to Extend/Change Nonimmigrant Status
). Spouses and unmarried children under 21 who are in the same status may be
included in the extension application;
2. $200.00 check or money order payable to "Department of Homeland
Security ";
3. Copy of both sides of Form I-94 (white card usually stapled