U.S. Citizenship and Immigration Services

U.S. Citizenship and Immigration Services

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  • U.S. Citizenship and Immigration Services (USCIS) is the government agency that oversees lawful immigration to the United States. The agency's strategic goals include: strengthening the security and integrity of the immigration system; providing effective customer-oriented immigration benefit and information services, supporting immigrants' integration and participation in American civic culture, promoting flexible and sound immigration policies and programs, and strengthening the infrastructure supporting the USCIS mission. The site covers forms, news, laws, and comprehensive guide and information for citizenship and Green card.


  • The content is made available by the U.S. Government Publishing Office in accordance with Title 44 of the US Code.
  • Digital collection: Federal Depository Library Program Web Archive.
  • Text in English and Spanish.
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