(1) For the purposes of this Act, where -

(a) an employee (in this section referred to as 'the victim') is harassed or sexually harassed either at a place where the employee is employed (in this section referred to as 'the workplace') or otherwise in the course of his or her employment by a person who is -

(i) employed at that place or by the same employer,

(ii) the victim's employer, or

(iii) a client, customer or other business contact of the victim's employer and the circumstances of the harassment are such that the employer ought reasonably to have taken steps to prevent it,

or

(b) without prejudice to the generality of paragraph (a) -

(i) such harassment has occurred, and

(ii) either -

(I) the victim is treated differently in the workplace or otherwise in the course of his or her employment by reason of rejecting or accepting the harassment, or

(II) it could reasonably be anticipated that he or she would be so treated,

the harassment or sexual harassment constitutes discrimination by the victim's employer in relation to the victim's conditions of employment.