wikipedia immigration nationality act 1965 hart celler act abolish quota system base national origins american immigration policy since 1920s new law maintain per-country limit also create preference visa categories focus immigrants skills family relationships citizens u.s. residents bill set numerical restrictions visa 170,000 per year per-country-of-origin quota however immediate relatives u.s. citizens special immigrants restrictions.the denver sheriff department accept penalty department justice federal probe find wrongly make u.s. citizenship job requirement recent hire spree.the sheriff department big sheriff office colorado pay 10,000 fine require applications deputy sheriff job u.s. citizens hire begin 2015 march 2016. department go hire spree 200 deputies part ongoing reform.the department also go old applications find applicants eliminate citizenship status reconsider future jobs.the justice department make announcement monday say sheriff department violate immigration nationality act without exemption.read department justice fin sheriff exclude illegals hire