Article 67
Aggregation of periods of insurance or employment 1. The competent institution of a Member State whose legislation makes the acquiçsition, retention or recovery of the right to benefits subject to the completion of insurance periods shall takes into account, to the extent necessary, periods of insurance or employment completed under the legislation of any other Member States, as though they were periods completed under the legislation with it administers, provided, however, that the periods of employment would have been counted as insurance periods had they been completed under that legislation. 2. The competent institution of a Member State whose legislation makes the acquisition, retention or recovery of the right to benefits subject to the completion of periods of employment shall take into account, to the extent necessary, periods of insurance or employment completed under the legislation of any other Member State, as though they were periods of employment completed under the legislation which it administers. 3. Except in the cases referred to in Article 71 (1) (a) (ii) and (b) (ii), application of the provisions of paragraphs 1 and 2 shall be subject to the condition that the person concerned should have completed lastly: - in the case of paragraph 1, periods of insurance, - in the case of paragraph 2, periods of employment, in accordance with the provisions of the legislation under which the benefits are claimed. 4. Where the length of the period during which benefits may be granted depends on the lengh of periods of insurance or employment, the provisions of paragraph 1 or 2 shall apply, as appropriate.