They focus a rights unavailable, and therefore not can be donated ad referees, the disputes relative a resolutions assembly having object illegal or impossible - what a Damage place a nullity detectable even ex officio - those those in absolute lack lack of information (art. 2479-ter of the Italian Civil Code civ.): in such last scope not can be subsunt A the failure convocation of a member, suitable, in thesis, a vitiato the resolution, ma which, second the definition date, not constitutes a right unavailable, the area must Consider circumscribed to those interests protected by rules mandatory, the to which violation determines a reaction of the system free from any initiative of part.