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1. Contracting Parties falling within category (a) of Article 1, paragraph 1, shall recognise a period of study spent by a student of modern languages in a university of another member country of the Council of Europe as equivalent to a similar period spent in his home university provided that the authorities of the first-mentioned university have issued to such a student a certificate attesting that he has completed the said period of study to their satisfaction.
2. The length of the period of study referred to in the preceding paragraph shall be determined by the competent authorities of the Contracting Party concerned.