Immigration Terms and Definitions

Amerasian Act
Immigrant visas are issued to Amerasians under Public Law 100-202 (Act of 12/22/87), which provides for the admission of aliens born in Vietnam after January 1, 1962, and before January 1, 1976, if the alien was fathered by a U.S. citizen. Spouses, children, and parents or guardians may accompany the alien.

Files Control Office
An USCIS field office--either a district (including USCIS overseas offices) or a suboffice of that district--where alien case files are maintained and controlled.

Country of Chargeability
The country in which a person is born (and has not renounced or lost citizenship) or naturalized and to which that person owes allegiance and by which he or she is entitled to be protected.

Advance parole
Authorized at an USCIS District office in advance of alien’s arrival; may be issued to aliens residing in the United States in other than lawful permanent resident status who have an unexpected need to travel and return, and whose conditions of stay do not otherwise allow for readmission to the United States if they depart.

Departure Under Safeguards
The departure of an illegal alien from the United States which is physically observed by a U.S. Immigration and Customs Enforcement (ICE) official.

Immigration Form I-864A
Affidavit of Support Contract Between Sponsor and Household Member

Nonimmigrant temporary worker classes O-1, O-2, O-3
Temporary workers with extraordinary ability or achievement in the sciences, arts, education, business, or athletics; those entering solely for the purpose of accompanying and assisting such workers; and their spouses and children

Alien
Any person not a citizen or national of the United States.

Country of Citizenship
The country in which a person is born (and has not renounced or lost citizenship) or naturalized and to which that person owes allegiance and by which he or she is entitled to be protected.

Legalization Dependents
A maximum of 55,000 visas were issued to spouses and children of aliens legalized under the provisions of the Immigration Reform and Control Act of 1986 in each of fiscal years 1992-94.