The act was a major overhaul of a long outdated immigration policy, and increased the number of yearly immigrants from 500,000 to 700,000, as well as providing allocations for immediate family members of existing nationals.
這個法案主要在修改過時的舊式移民法案,把每年的移民人數從五十萬增加到七十萬,同時提供了現任美國公民的直系親屬名額。