Immigration & Nationality
Act of 1965
The Immigration and Nationality Act of 1965 enacted June 30, 1968 also known as the Hart–Celler Act abolished the National Origins Formula that had been in place in the United States since the Emergency Quota Act.
The Hart-Celler Act abolished the national origins quota system that was American immigration policy since the 1920s, replacing it with a preference system that focused on immigrants' skills and family relationships with citizens or U.S. residents. Numerical restrictions on visas were set at 170,000 per year,