" 44. In those circumstances, overriding considerations of legal certainty preclude legal situations which have exhausted all their effects in the past from being called in question where that might upset retroactively the financial balance of many contracted-out pension schemes. It is appropriate, however, to provide for an exception in favour of individuals who have taken action in good time in order to safeguard their rights. Finally, it must be pointed out that no restriction on the effects of aforesaid interpretation can be permitted as regards the acquisition of entitlement to a pension as from the date of this judgment.
" A second interpretation is that the principle of equal treatment should only be applied to benefits payable in respect of periods of service after17 May 1990 . Periods of service prior to that date would not be affected by the direct effect of article 119.
" 19. Given the reasons explained in Barber[1990] ICR 616 , 672, para 44, for limiting its effects in time, it must be made clear that a quality of treatment in the matter of occupational pensions may be claimed only in relation to the benefits payable in respect of periods of employment subsequent to17 May 1990 , the date of the judgment in Barber , subject to the exception in favour of workers or those claiming under them who have, before that date, initiated legal proceedings or raised an equivalent claim under the applicable national law."
"(4) All employees if they were 55 years of age and had served 30 years in the company could retire but the women could retire with no reduction in their pension but the men suffered a reduction in their pension because of their early retirement."