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Shamoon v Chief Constable of the Royal Ulster Constabulary

[2003] IRLR 285

Case summary last updated at 17/02/2020 15:27 by the Oxbridge Notes in-house law team.

Judgement for the case Shamoon v Chief Constable of the Royal Ulster Constabulary

P was not allowed to carry on doing appraisals due to complaints made against her, though her two male colleagues were. She alleged sex discrimination under the equivalent (same wording) of s.1(1)(a) SDA 1975 for Northern Ireland. She said that the test of ‘treats her less favourably than he treats or would treat a man’ was demonstrated by the fact that her colleagues were allowed to continue doing appraisals. HL rejected her claim, saying that her colleagues weren’t valid comparators since they had not had complaints made against them. 
Lord Nicholls: It doesn’t matter whether a comparator is an actual person or hypothetical. The ‘less favourable treatment’ than would be given to a man is in practice asked first by employment tribunals, who proceed secondly to the question of whether the reason for the differential treatment was because P is a woman. The first question is a threshold that has to be passed before proceeding. This is problematic: “Sometimes the less favourable treatment issue cannot be resolved without, at the same time, deciding the reason why issue.” Hence no need to look at comparators separately from the reason for discrimination: If P was treated worse then the reason was sex, race etc. If not then P wasn’t treated less favourably. This is a good example- the alleged comparators were in fact shown not to be comparators because of the reason for the different treatment (complaints made). Equally, if we ask was P treated less favourably than a hypothetical male officer, who had had complaints made, would have been, we have to think about the reasons for her treatment. “The most convenient and appropriate way to tackle the issues arising on any discrimination application must always depend upon the nature of the issues and all the circumstances of the case. There will be cases where it is convenient to decide the less favourable treatment issue first. But, for the reason set out above, when formulating their decisions employment tribunals may find it helpful to consider whether they should postpone determining the less favourable treatment issue until after they have decided why the treatment was afforded to the claimant.” Instead of the ‘but for’ test he asks ‘what was the reason for the treatment’ due to difficulty with comparators. 
Lord Hope: “the choice of comparator requires that a judgment must be made as to which of the differences between any two individuals are relevant and which are irrelevant. The choice of characteristics may itself be determinative of the outcome...This suggests that care must be taken not to approach this issue in a way that will defeat the purpose of the legislation, which is to eliminate discrimination against women on the ground of their sex in all the areas with which it deals.” This is a more purposive approach, viewing the comparator merely as a tool towards a particular end rather than integral to the test itself.

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