No L 171/30 Official Journal of the European Communities 6. 7. 94 (Acts whose publication is not obligatory) COMMISSION COMMISSION DECISION of 30 May 1994 amending Decision No 85/377/EEC establishing a Community typology forr agricultural holdings (94/376/EC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Community, : 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 3577/90 (%), and in particular Article 4 (4) and Article 11 thereof, Whereas the Community typology of agricultural holdings set up by Commission Decision No 85/377/EEC (%), and in particular the standard gross margins, is the basis for the classification of agricultural holdings by economic size and type of farming both in the farm structure surveys and under the Farm Accoun- tancy Data Network (FADN); whereas the Community typology is also the basis for calculating the European size units (ESU) and the thresholds used to delimit the field of observation and to draw up the plan for selecting the returning holdings included or to be included in the FADN; Whereas the results of the farm structure surveys, classi- fied by ESU and type of farming serve as a decision- making basis for farm structure policy under the common () OJ No 109, 23. 6. 1965, p. 1859/65. () OJ No L 353, 17. 12. 1990, p. 23. () OJ No L 220, 17. 8. 1985, p. 1. agricultural policy and for defining the field of observa- tion of the FADN, which serves as a basis for selecting and weighting the FADN farm sample; whereas the selection of returning holdings for the field of observation must be representative in terms of the objectives of each of the analyses planned; Wherteas Council Regulation (EEC) No 571/88 (%), as last amended by Commission Decision No 93/156/EEC (), provides for a series of surveys on the structure of agricul- tural holdings from 1988 to 1997 and lists the characteris- tics to be surveyed ; Whereas Article 11 of Commission Decision No 85/377/EEC states that the Commission, assisted by the Member States, shall review at least every 10 years the experience gained in applying the Decision and any new Community needs arising in the field ; whereas after such review, the provisions of the Decision may be amended as required ; Whereas the structure and content of the list of survey characteristics for 1988 to 1997 have been amended, so that the characteristics in the new list differ from those recorded in the previous surveys; whereas the Commu- nity typology of agricultural holdings depends on that list and it is therefore necessary to adapt Decision No 85/377/EEC to the lists of survey characteristics laid down by Regulation (EEC) No 571/88; () OJ No L 56, 2. 3. 1988, p. 1. () OJ No L 65, 17. 3. 1993, p. 12.