Article 5
1. On receipt of the application, the competent authority shall: (a) verify the particulars referred to in Article 4 (2) (b) and (c) and register the written undertaking referred to in Article 2 (2) or 3 (2) of Regulation (EEC) No 1078/77; (b) mark and register the dairy herd kept on the holding within the meaning of Article 5 (b) of Regulation (EEC) No 1078/77 and issue for the herd the identity cards referred to in Article 7; (c) determine, in the case of the conversion premium, the number of other animals referred to in Article 2 (1) (b) present on the holding when the application is approved; (d) register the area under forage farmed by the applicant at the time of lodging the application; (e) determine the quantity of milk, in kilograms, on which the premium is to be calculated, in accordance with Article 1 (3). 2. The approval of the application for a premium shall state expressly that the recipient of the premium is responsible for returning the identity card provided for in Article 7 and request that, in the event of the animal being sold, he should make appropriate contractual provision to ensure its return. 3. The producer shall notify the competent authority, before the beginning of the non-marketing or conversion period, of the date of its commencement, and this date shall be recorded on each identity card, provided for in Article 7.