Changes made by Commission Regulation (EEC) No 2729/81 of 14 September 1981 laying down special rules implementing the system of import and export licences and the advance fixing of refunds in respect of milk and milk products: Regulation (EEC) No 2044/75 of the Commission of 25 July 1975 on special detailed rules for the application of the system of import and export licences and the advance fixing of refunds in respect of milk and milk products