Former members of the European Parliament, irrespective of their nationality, who draw a pension in that capacity, as well as persons entitled to survivor's pensions as survivors of former members, irrespective of their nationality, shall be exempted from obligatory affiliation to and payment into national social security systems in the United Kingdom, under the same conditions as were applicable on the last day of the transition period, provided that the former members of the European Parliament were members of the European Parliament before the end of the transition period.