Foreign nationals, especially spouses and dependents of nonimmigrant workers and students, are warned that U.S. Citizenship and Immigration Services (USCIS) is revising the Form I-539, Application to Extend/Change Nonimmigrant Status. This form is used by nonimmigrants to extend their stay in the U.S. or change to another nonimmigrant status, as well as for F and M students applying for reinstatement. The new form was issued on March 11, 2019 and after March 21, 2019, USCIS will accept only the newly revised version of the form, with an edition date of Feb. 4, 2019. All other versions of the form, including