Temporary Migration to the United States. Nonimmigrant Admissions Under U.S. Immigration Law

摘要

This document discusses nonimmigrants and the laws and regulations concerning their admission to the United States. The purpose of this report is to describe the various nonimmigrant categories and discuss the policy concerns surrounding these categories. Topics covered include: adjustment of status, temporary workers, work authorization, and visa overstays. The United States welcomes visitors to our country for a variety of purposes, such as tourism, education, cultural exchange, and temporary work. Admittance to the United States as a nonimmigrant is intended to be for temporary visits only. However, some nonimmigrants are permitted to change to a different nonimmigrant status or, in some cases, to permanent resident status. This report provides an overview of the reasons for visiting the United States on a temporary basis and the nexus between temporary visitor and permanent resident.