the Immigration Act of 1990 legal immigration to the U.S. https://immigration.laws.com/immigration-act-of-1990 Immigration Act of 1990 Immigration Act of 1990 Immigration Act of 1990 Immigration Act of 1990 Immigration Act of 1990 Immigration Act of 1990 Immigration Act of 1990 Immigration Act of 1990 the H-1B visa in 1990