4. Amendment of section 6.
Section 6 (discrimination for purposes of Act) of the Act of 1998 is amended -
(a) by substituting the following subsection for subsection (1):
"(1) For the purposes of this Act and without prejudice to its provisions relating to discrimination occurring in particular circumstances discrimination shall be taken to occur where -
(a) a person is treated less favourably than another person is, has been or would be treated in a comparable situation on any of the grounds specified in subsection (2) (in this Act referred to as the 'discriminatory grounds') which -
(i) exists,
(ii) existed but no longer exists,
(iii) may exist in the future, or
(iv) is imputed to the person concerned,
(b) a person who is associated with another person -
(i) is treated, by virtue of that association, less favourably than a person who is not so associated is, has been or would be treated in a comparable situation, and
(ii) similar treatment of that other person on any of the discriminatory grounds would, by virtue of paragraph (a), constitute discrimination.",
(b) by inserting the following subsection after subsection (2):