On the other hand, the principle appears to contradict the concept of fault-based liability, an example of this is shown in Century insurance V Northern Ireland road transport board (1942), this is because the employer might have taken every step to choose, train and supervise its employees but will still be liable for their acts and omissions. This is fair when the employee commits the tortious act in the workplace, but it is less fair when the employer has less control and supervision of the employee’s actions.