The competence of the judge of the work a know of the controversy between a partner and the cooperative of production and work is not is susceptible derogation a favorable referees, if not in strength of clause skilled expected from contracts and collective agreements, always . ’Art. 808, co. 2, Cod. Proc. Civ., This happens, a penalty of nullity, without prejudice of the faculty of the parts to to say the judicial authority ; not it is therefore valid a clause compromise which is contained only in the statute of the company cooperative of production and work.