Form I 539, known as the Application to Extend/Change Nonimmigrant Status, is the form needed to extend or change to B-1/B-2 status after the applicant has entered the U.S. on a valid non-immigrant visa.
Filing of I 539 Form application is needed to Extend/Change Nonimmigrant Status to B-1/B-2 status after the applicant has entered the U.S. on a valid non-immigrant visa.
