An employee of a company has been asked to explain the difference between a Grievance and Disciplinary Action.

An employee of a company has been asked to explain the difference between a Grievance and Disciplinary Action. The employee knows the definitions of both and, whilst they have two examples of actions which would result in Disciplinary Action, they can only think of one circumstance which may result in a Grievance, and this is Discrimination.

Which of the following could the employee use as an additional example of a Grievance?