22Equally, in order to allow the application of Regulation No 1408/71 to future effects of situations arising under the period of validity of the old law, Article 94(2) of the regulation lays down the obligation to take into consideration, for the purposes of determining rights to benefit, all periods of insurance, employment or residence completed under the legislation of any Member State ‘before 1 October 1972 or before the date of its application in the territory of that Member State’. It follows, therefore, from that provision that a Member State is not entitled to refuse to take account of periods of insurance completed in the territory of another Member State, for the purposes of establishment of a retirement pension, for the sole reason that they were completed before the entry into force of the regulation in its regard (Case C-227/89 Rönfeldt [1991] ECR I-323, paragraph 16).
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