"Where the reason or principal reason for the dismissal of an employee was that he was redundant, but it is shown that the circumstances constituting the redundancy applied equally to one or more other employees in the same undertaking who held positions similar to that held by him and who have not been dismissed by the employer, and either - (a) ... (b) that he was selected for dismissal in contravention of a customary arrangement or agreed procedure relating to redundancy and there were no special reasons justifying a departure from that arrangement or procedure in his case,
"Unbeknown to the Unions, the respondents interpreted this to mean that only additional points would be awarded in respect of skills which attracted points in excess of five."
"It was clear that this interpretation that the employers used was never indicated to the Unions."
"If there is an agreement it should be adhered to, and if there is any doubt parties to that agreement should resolve that doubt. There was clearly here no doubt at all about the simple meaning of the quotation above. The respondents chose to interpret it differently from how it reads. They cannot do this, whatever they have done in the past, without consultation."