; (3) filed, instituted, or caused to be filed or instituted any proceeding under this Act; or (4) objected to, or refused to participate in, any activity, policy, practice, or assigned task that the employee (or other such person) reasonably believed to be in violation of any law, rule, order, standard, or prohibition, subject to the jurisdiction of, or enforceable by, the Department of Labor or the National Labor Relations Board. (b) Definition of covered employee For the purposes of this section, the term covered employee means any employee of a labor organization who receives financial compensation for his or her services to the labor organization, including officers of the labor organization. (c) Procedures and timetables (1) Complaint (A) In general A person who believes that he or she has been discharged or otherwise discriminated against by any person in violation of subsection (a) may file (or have any person file on his or her behalf) a complaint with the Secretary of Labor alleging such discharge or discrimination and identifying the person responsible for such act. Such a complaint must be filed not later than either— (i) 180 days after the date on which such alleged violation occurs; or (ii) 180 days after the conclusion of any internal appeals, review, or other judicial or investigative process conducted by the labor organization employing such person. (B) Actions of Secretary of Labor Upon receipt of such a complaint, the Secretary of Labor shall notify, in writing, the person named in the complaint who is alleged to have committed the violation, of— (i) the filing of the complaint; (ii) the allegations contained in the complaint; (iii) the substance of evidence supporting the complaint