Certificate of Eligibility for Nonimmigrant (F-1) Student Status
The I-20 form is issued by the admitting U.S. school to a student for F-1 status. The form is used to obtain an F-1 visa and to enter the U.S. in F-1 status. All actions (e.g., transfers, primary purposes, etc.) are recorded on this document. The Office of International Students and Scholars (OISS) issues the I-20 form for Yale's international students.
Sample of Form I-20: