"(i) the tribunal has no jurisdiction to consider the Applicants' complaints under Sections 1(1)(a) and 6(2)(a) of theSex Discrimination Act 1975 [that is to say of direct discrimination];
"Mr Kibling next relies on indirect discrimination under Section 1(1)(b), contending that, by the arrangements set out in the letter of13 November 1991 , the Respondents have applied a requirement or condition whereby they retain the Class 1 employees, which applies or would apply equally to a man but which is such that the proportion of women who can comply with it is considerably smaller than the proportion of men who can comply with it. This is undoubtedly correct, since at that time the Class 1 employees were all men and, of the Class 2 employees, 4 were women and 2 were men. However, the subsection goes on to state :
"After the industrial tribunal had given its decision, there was decided in the Court of Appeal Hampson v The Department of Education and Science[1989] ICR 179 in which Balcombe L.J. thus formulated the test of what was `justifiable' under sub-paragraph (ii), at p 191:
"In my judgment `justifiable' requires an objective balance between the discriminatory effect of the condition and the reasonable needs of the party who applies the condition. This construction is supported by the recent decision of the House of Lords in Rainey v Greater Glasgow Health Board[1987] ICR 129 , a case under theEqual Pay Act 1970 , and turning on the provisions of section 1(3) of that Act ..."