Article 183 of the Mexican Federal Labor Law
Workers in positions of trust may not form part of the unions of the other workers, nor will they be taken into consideration in the recounts carried out to determine the majority in cases of strike, nor may they be representatives of the workers in the bodies that are integrated in accordance with the provisions of this Law.
Said workers in positions of trust will not be able to participate in the recount tests within the conflicts of ownership of the collective bargaining agreement nor intervene in the consultations for the signing or revision of collective bargaining agreements referred to in Article 390 Ter, Section II, of this Law.
Paragraph added by the Decree by which various provisions of the Federal Labor Law, the Organic Law of the Federal Judiciary, the Federal Law of the Public Defender’s Office, the Law of the National Workers’ Housing Fund Institute and the Social Security Law are amended, added and repealed, in matters of Labor Justice, Union Freedom and Collective Bargaining, published in the Official Gazette of the Federation on May 1, 2019.