Varies depending on the residence of the student, 4-6 weeks at the INS Nebraska Service Center. After nine months in F-1 student status. Employment must be related to the field of study and commensurate with the level of study. Employer is not involved in the application process. Authorization is not employer specific.
Time limit is strict.
INS approval takes time. Individual must have an academic appointment and sufficient financial support. Process is short and easy. Waivers vary, depending on circumstances, from available but slow to unobtainable. An academic appointment or invitation to the U of C and sufficient financial support.