USCIS（美国公民及移民服务局） USCIS (U.S. Citizenship and Immigration Services)

关键定义 KEY DEFINITION

USCIS 是 DHS 下属机构，负责 Immigration and Naturalization 申请 adjudication——包括 Green Card、Work Authorization、Citizenship 和 Visa Petition。Immigrant 的 employment 和 status affect mortgage qualification、health insurance eligibility 和 tax filing status—— 房产和保险决策须 consider current immigration documentation。