) ▁for ▁fil ing ▁Form ▁I - 1 4 0 . ▁ ▁Fil ing ▁details ▁ ▁Initial ▁evidence ▁ ▁The ▁Form ▁I - 1 4 0 ▁pet ition ▁must ▁be ▁accompanied ▁by ▁what ▁is ▁term ed ▁" initial ▁evidence ". ▁This ▁evidence ▁depends ▁on ▁the ▁type ▁of ▁employee ▁being ▁spons ored , ▁but ▁for ▁instance ▁( in ▁some ▁cases ) ▁includes ▁an ▁award ▁given ▁to ▁the ▁employee ▁or ▁publication ▁by ▁the ▁employee ▁that ▁cert ifies ▁they ▁are ▁someone ▁of ▁extraordinary ▁ability . ▁In ▁many ▁cases ▁( see ▁table ▁above ), ▁part ▁of ▁the ▁initial ▁evidence ▁is ▁a ▁labor ▁cert ification , ▁which ▁establish es , ▁among ▁other ▁things , ▁that ▁there ▁are ▁ins u fficient ▁workers ▁in ▁the ▁US ▁to ▁fill ▁the ▁position ▁the ▁al ien ▁employee ▁plans ▁to ▁take . ▁In ▁cases ▁where ▁a ▁labor ▁cert ification ▁is ▁required , ▁the ▁pet ition ▁is ▁said ▁to ▁be ▁labor ▁cert ification - based . ▁ ▁In ▁labor ▁cert ification - based ▁pet itions , ▁a ▁labor ▁cert ification ▁must ▁be ▁file d ▁and ▁approved ▁by ▁the ▁US ▁Department ▁of ▁Labor ▁before ▁Form ▁I - 1 4 0 ▁can ▁be ▁submitted . ▁It ▁is ▁possible ▁to ▁establish ▁a ▁successor - in - inter est ▁relationship ▁between ▁the ▁successor ▁employ er ▁and ▁prede cess or ▁employ er , ▁in ▁which ▁case ▁a ▁prede cess or ' s ▁labor ▁cert ification ▁can ▁be ▁used . ▁ ▁General ▁evidence ▁ ▁Add itional ▁evidence ▁that ▁must ▁be ▁provided ▁includes ▁the ▁employ er ' s ▁financial ▁data , ▁proof