Our Immigration Handbooks provide an overview of key U.S. immigration topics. Including: Travel Without a Visa; Temporary Visas (Work Visas, Student Visas, Tourist Visas); Permanent Residency (Green Cards); Labor Certification; Temporary Protection; U.S. Citizenship; Enforcement; Occupations; Other Matters.
U.S. immigration law is a highly complex and intricate body of law. In general, a foreign person entering the U.S. is classified as either a "non-immigrant" or an "immigrant." Non-immigrants are persons who are entering the U.S. for a temporary period of time. In order to be employed in the U.S., non-immigrants must possess a temporary work visa, of which there are a number of different types.
Those foreign individuals who wish to remain permanently in the U.S. must obtain "permanent residency status," and are classified as "immigrants."
Finally, those individuals who have remained in permanent residency status for a number of years can apply for U.S. Citizenship. U.S. immigration law refers to this process as "naturalization."