▁of ▁both ▁lingu istics ▁and ▁legal ▁theory . ▁Based ▁on ▁lingu istic , ▁historical ▁as ▁well ▁as ▁anth rop ological ▁consider ations , ▁the ▁exper ts ▁eventually ▁selected ▁th ir teen ▁groups , ▁corresponding ▁to ▁the ▁currently ▁recognized ▁twelve ▁with ▁the ▁further ▁addition ▁of ▁the ▁Sint i ▁and ▁Roman i - spe aking ▁populations . ▁The ▁original ▁list ▁was ▁approved , ▁with ▁the ▁only ▁exception ▁of ▁the ▁nom adic ▁pe op les , ▁who ▁lack ed ▁the ▁territorial ity ▁requ is ite ▁and ▁therefore ▁needed ▁a ▁separate ▁law . ▁However , ▁the ▁draft ▁was ▁presented ▁to ▁the ▁law - making ▁bodies ▁when ▁the ▁legisl ature ▁was ▁about ▁to ▁run ▁its ▁course , ▁and ▁had ▁to ▁be ▁passed ▁another ▁time . ▁The ▁bill ▁was ▁met ▁with ▁resistance ▁by ▁all ▁the ▁subsequent ▁legisl atures , ▁being ▁rel uct ant ▁to ▁challenge ▁the ▁widely - h eld ▁myth ▁of ▁" Ital ian ▁lingu istic ▁hom ogene ity ", ▁and ▁only ▁in ▁ 1 9 9 9 ▁did ▁it ▁eventually ▁pass , ▁becoming ▁a ▁law . ▁In ▁the ▁end , ▁the ▁historical ▁lingu istic ▁minor ities ▁have ▁been ▁recognized ▁by ▁the ▁Law ▁no . ▁ 4 8 2 / 1 9 9 9 ▁( Leg ge ▁ 1 5 ▁Dic embre ▁ 1 9 9 9 , ▁n . ▁ 4 8 2 , ▁Art . ▁ 2 , ▁comma ▁ 1 ). ▁ ▁Some ▁interpret ations ▁of ▁said ▁law ▁seem ▁to ▁divide ▁the ▁twelve ▁minor ity ▁languages ▁into ▁two ▁groups , ▁with ▁the ▁first ▁including ▁the