14.5. 84 Official Journal of the European Communities NoL128/1 (Acts whose publication is not obligatory) COMMISSION COMMISSION DECISION of 29 February 1984 amending Decision 78/463/EEC establishing a Community typology for agricultural holdings (84/260/EEC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to the Council Decision of 4 December 1962 on the coordination of policies on the structure of agriculture (*), and in particular Article 4 thereof, Having regard to Council Regulation No 79/65/EEC of 15 June 1965 setting up a network for the collection of accountancy data on the incomes and business operation of agricultural holdings in the European Economic Community (?), as last amended by Regulation (EEC) No 2143/81(), and in particular Article 4 thereof, Having regard to Council Regulatuon (EEC) No 218/78 of 19 December 1977 on the organization of a survey on the structure of agricultural holdings for 1979/80 (%), and in particular Article 7 thereof, Having regard to Council Regulation (EEC) No 449/82 of 15 February 1982 on the organization of a survey on the structure of -agricultural holdings for 1983 (*), and in particular Article 6 (1) (a) and (b) thereof, (*) OJ No 136, 17. 12. 1962, p. 2892/62. () O] No 109, 23. 6. 1965, p. 1859/65. ¢) OJ No L 210, 30.7. 1981, p. 1. (*) OJ No L 35, 4. 2. 1978, p. 1. (¢*) OJ No L 59, 2.3.1982, p. 1. Whereas Article 1 of Commission Decision 78/463/ EEC (*) defines the two factors on which the Community typology is based, namely type of farming and the economic size of the holding; whereas these two factors are determined by reference to the standard gross margin (SGM); Whereas the standard gross margin as defined in Article 1 (d) of the abovementioned Decision is an economic criterion expressed in money terms; whereas such a criterion necessarily undergoes change in the course of time; Whereas the standard gross margins laid down in Annex I to the abovementioned Decision are based on average values for the period 1972 to 1974 or 1972/73 to 1974/75; whereas, consequently, they should be updated with effect from 1980 to take account of economic developments so that the typology retains its full significance when applied as provided for in Article 3 of that Decision; Whereas this should be done by reference to the | standard gross margins recorded over a period of several years around 1980; Whereas the list of enterprises for which standard gross margins are determined should be brought into line with the headings used in the 1979/80 and 1983 surveys on the structure of agricultural holdings - (®) OJ No L 148, 5.6.1978, p. 1.