 Secondly, some rights such as the right to reasonable notice before dismissal (s.86) can logically only be breached when someone is dismissed.The reasons laid out that an employer can dismiss are in s.98(2).Fair reasons to dismiss an employee are if it,

So there is no restriction on management's right to dismiss (for instance, giving reasonable notice) if the employee is (a) just bad at his job, (b) not a nice person to work with (c) is redundant (see below) or (d) the employer is forced to sack someone because of a law (this last one does not come up often).