grievance
(9) “grievance” means any complaint— (A) by any employee concerning any matter relating to the employment of the employee; (B) by any labor organization concerning any matter relating to the employment of any employee; or (C) by any employee, labor organization, or agency concerning— (i) the effect or interpretation, or a claim of breach, of a collective bargaining agreement; or (ii) any claimed violation, misinterpretation, or misapplication of any law, rule, or regulation affecting conditions of employment;