The legislator has unifying, in the appeal per nullity of the praise ex art. 829 cod. Proc. Civ., I two gravami, distinctly foreseen from L Code repealed, of the appeal and of the action of nullity, with the arrange, in the first paragraph, of a remedy character formal character and indispensable For specific error s in proceed e in the third paragraph a remedy similar to the appeal with the possibility of challenging the praise per erroras in iudica ndo, albeit limited to violation and false application of rules of right in meaning wanted by art. 360, co. 1, n. 3, cod. proc. civ.