- Bureau of U.S. Citizenship and Immigration Services (USCIS)
 - Official site includes links to immigration forms, laws and regulations, and field office information. Formerly known as the Immigration and Naturalisation Service (INS). - Case Status Search Page
- Search the status of your immigration case.
- Green Cards
- Features information about Green Card applications and ways to immigrate to the U.S. Official site of the Bureau of Citizenship and Immigration Services, formerly the INS.
- Immigration Laws, Regulations, and Guides
- Provides information on laws, regulations, and interpretations controlling immigration and the work of the BCIS.
- Immigration Services and Benefits
- Provides information on the services provided by the INS to applicants, petitioners, authorised representatives, community-based organisations, and the general public.
- Special Registration
- Offers a portal to information on Special Registration procedures for certain nonimmigrants.
- United States Diversity Visa Program
- Online application for permanent residence visas.
- USCIS Immigration Forms
- Immigration information centre, providing facts, immigration forms, and advice on applying for services, benefits, or permits. Formerly known as the Immigration and Naturalisation Service (INS).
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