美国公民及移民服务局

美国公民及移民局（，縮寫：USCIS）是美国国土安全部的一个组成部分，它的职能与之前的美国司法部下辖美国移民及归化局类似。该部门旨在促进美国国家安全，处理移民积压案件，并改善服务质量。

外部链接

• [https://www.uscis.gov United States Citizenship and Immigration Services]
• [http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=107_cong_public_laws&docid=f:publ296.107.pdf Homeland Security Act of 2002]
• [https://web.archive.org/web/20160310125721/https://infopass.uscis.gov/ USCIS INFOPASS Appointment Scheduler]
• [https://www.immigrationvoice.org United States Immigration Trackers]
• [https://immigrationroad.com/resource/uscis-ins-history.php USCIS History] : Major milestones of USCIS and other immigration agencies, from the 19th century to 2003
• [http://www.uscis.gov/USCIS/Office%20of%20Citizenship/Citizenship%20Resource%20Center%20Site/Publications/PDFs/100q_Chinese.pdf 公民（歷史與政府）歸化試題]