USCIS (U.S. Citizenship and Immigration Services)

The federal agency within DHS responsible for processing immigration benefit applications including work permits (EAD), visa petitions, adjustment of status, and naturalization. USCIS adjudicates OPT I-765 applications, H-1B petitions, and all employment-based green card filings. Case status can be tracked online using the USCIS receipt number at egov.uscis.gov.