Immigration and Naturalization Act - Section 203

This section outlines the four ways (family, employment, asylum and diversity lottery) an individual may immigrate to the United States. The section also defines the administration of the US Immigration Lottery Program (also called Green Card Lottery) for the year 2007.
 

Code of Federal Regulations 22 - 42.33

This section of the code of Federal regulations includes The Department of State regulations which defines the eligibility criteria and procedures for filing a US Immigration Lottery Application.