▁Ne igh bor hood s ▁Act ▁( A rizona ▁S B ▁ 1 0 7 0 )-- ▁the ▁broad est ▁and ▁strict est ▁imm igration ▁reform ▁im posed ▁in ▁the ▁United ▁States . ▁ ▁The ▁S B 1 0 7 0 ▁Arizona ▁imm igration ▁law ▁direct s ▁law ▁enfor cement ▁officials ▁to ▁ask ▁for ▁imm igration ▁papers ▁on ▁a ▁" reason able ▁susp icion " ▁that ▁a ▁person ▁might ▁be ▁an ▁illegal ▁imm igr ant ▁and ▁make ▁arr ests ▁for ▁not ▁carrying ▁ID ▁papers ▁in ▁keeping ▁with ▁federal ▁requirements . ▁Pre viously , ▁police ▁could ▁not ▁stop ▁and ▁check ▁identification ▁papers ▁on ▁a ▁mere ▁susp icion ▁that ▁someone ▁might ▁be ▁an ▁illegal ▁imm igr ant . ▁Police ▁could ▁only ▁ask ▁about ▁an ▁individual ' s ▁imm igration ▁status ▁if ▁they ▁are ▁sus pected ▁of ▁invol vement ▁in ▁another ▁crime . ▁ ▁On ▁July ▁ 6 , ▁ 2 0 1 0 , ▁the ▁US ▁Department ▁of ▁Justice ▁file d ▁suit ▁against ▁Arizona . ▁The ▁intent ▁of ▁the ▁suit ▁is ▁to ▁prevent ▁Arizona ▁from ▁enfor cing ▁the ▁law ▁and ▁asks ▁the ▁court ▁to ▁find ▁certain ▁sections ▁of ▁the ▁legisl ation ▁null ▁and ▁void . ▁ ▁Being ▁the ▁first ▁state ▁to ▁pass ▁such ▁legisl ation , ▁Arizona ▁has ▁set ▁a ▁preced ent ▁for ▁other ▁states , ▁but ▁this ▁legisl ation ▁has ▁also ▁caused ▁Arizona ▁to ▁carry ▁a ▁large ▁bur den . ▁Ari zon ans ▁have ▁faced ▁boy cot ts ▁and ▁protest s ▁from ▁their ▁commercial ▁business es ▁to ▁sport ing ▁events ▁and ▁concert s .