The competence foreseen by art. 810, co. 2, cod. Proc. Civ., Per the appointment of the referee remittance to the judicial authority is functional and mandatory Le. The mandatory of such competence involves however only the nullity of the praise possibly emitted by referee appointed by other judge. it i i nvece not can giammai reverberare on the validity of the convention referee, because the forecast a a hole mandatory work, in the process, sim Ilmente to the mechanism of replacement of right foreseen by art. 1419, co. 2, cod. civ., per le clauses nulle in contrast with rules imperative.