term:

Grievance

grievance n

1 : a cause of distress (as an unsatisfactory working condition or unfair labor practice) felt to afford a reason for complaint or dispute
;esp
: a violation of a collective bargaining agreement usually by the employer
2 : the formal expression of a grievance brought esp. by an employee as the initial step toward resolution through a grievance procedure see also arbitration grievance arbitration at arbitration, mediation

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.