Changes made by Commission Regulation (EEC) No 2962/78 of 15 December 1978 amending Regulation (EEC) No 1391/78 with regard to the identity card arrangements introduced in connection with the system of premiums for the non-marketing of milk: Commission Regulation (EEC) No 1391/78 of 23 June 1978 laying down amended rules for the application of the system of premiums for the non-marketing of milk and milk products and for the conversion of dairy herds