Article 897 Federal Labor Law

The processing and resolution of the collective conflicts referred to in articles 389; 418; 424, section IV; 427, sections I, II and VI; 434, sections I, III and V; and 439, of this Law, as well as the cases of violations of fundamental rights in collective matters that undermine freedom of association, union freedom, the right to collective bargaining, or where procedures for the election of union leaderships are challenged, or else union sanctions that limit the right to vote and to be voted for, shall be resolved through the Special Collective Proceeding provided in articles 897-A to 897-G of this Law.