(1) If, at a place where C is employed (in this section referred to as "the workplace"), or otherwise in the course of C's employment, another individual ("E") harasses C by reference to the relevant characteristic of C and -
(a) C and E are both employed at that place or by the same employer,
(c) E is a client, customer or other business contact of C's employer and the circumstances of the harassment are such that C's employer ought reasonably to have taken steps to prevent it,
then, for the purposes of this Act, the harassment constitutes discrimination by C's employer, in relation to C's conditions of employment, on whichever discriminatory ground is relevant to persons having the same relevant characteristic as C.
(2) Without prejudice to the generality of subsection (1) in its application in relation to the workplace and the course of C's employment, if, in a case where one of the conditions in paragraphs (a) to (c) of that subsection is fulfilled -