alternatively, at the very latest, when the Commission received the answers to the questions asked in its fourth letter; that is to say either on 24 March 1997 or 10 September 1997, and that the period of two months laid down in the case-law of the Court (see, in particular, the judgments in Case 120/73 Lorenz, Case 121/73 Markmann, Case 122/73 Nordsee, and Case 141/73 Lohrey, hereinafter 'the Lorenz case-law'), in which the Commission must either authorise the aid or open the formal examination procedure in accordance with Article 93(2) of the Treaty, has therefore expired.
Απαντήσεις στις ερωτήσεις που τέθηκαν με το δεύτερο έγγραφο της Επιτροπής δόθηκαν από την Αυστριακή Κυβέρνηση στις 19 Μαρτίου 1997.