You need to prove your identity and work-authorized immigration status by showing your current U.S. immigration documents and your unexpired foreign passport. Below is a list of acceptable immigration documents:
Form I-551 (Permanent Resident Card, includes machine-readable immigrant visa);
Admission stamp showing a class of admission permitting work;
I-94 (Arrival/Departure Record); or
I-766 (Employment Authorization Document, EAD, work permit)
Exchange Visitors (J1 or J2):
DS-2019 (Certificate of Eligibility for Exchange Visitor Status)
International Students (F1 or M1 student):
Form I-20 (Certificate of Eligibility for Nonimmigrant Student)