The Act is not retrospective and no events occurring before 16th June 1997 may be taken into consideration regarding proceedings. People suffering from mental disorders are not exempt from this Act. And Which he knows or ought to know amounts to harassment of the other. Actions need not be threatening or abusive and may include quite innocuous actions such as continually sending flowers. The actions of the offender must be linked in some way, although the conduct does not have to be the same on each occasion.
Conduct includes speech.
It is not necessary to prove that the offender intended to harass. It is sufficient to prove that a reasonable person in possession of all the facts would consider that the offender's course of conduct amounted to harassment. The person was acting to detect or prevent crime. The person was acting under rule of law or enactment. The person's actions were reasonable in the particular circumstances.