14. 3. 87 Official Journal of the European Communities No L 72/1 (Acts whose publication is obligatory) COUNCIL REGULATION (EURATOM, ECSC, EEC) No 679/87 of 23 February 1987 amending Regulation (ECSC, EEC, Euratom) No 1859/76 laying down the conditions of employment of staff of the European Centre for the Development of Vocational Training THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to Council Regulation (EEC) No 337/75 of 10 February 1975 establishing a European Centre for the Development of Vocational Training (), and in particular Article 13 thereof, Having regard to - Council Regulation. (ECSC, EEC, Euratom) No 1859/76 of 29 June 1976 laying down the conditions of employment of staff of the European Centre for the Development of Vocational Training (3), as last amended by Regulation (ECSC, "EEC, Euratom) No 509/82 (3), Having regard to the proposal from the Commission, Whereas it is for the Council, acting on a proposal from the Commission, to amend these conditions of employment; Whereas the conditions of “employment of staff of-the Centre should be brought into closer alignment with those enjoyed ~ by temporary staff of the European Communities, HAS ADOPTED THIS REGULATION: Article 1 The second paragraph of Article 2 of the Conditions of Employment is hereby amended as follows: (*) O] No L 39, 13. 2. 1975, p. 1. (2) O] No L 214, 6. 8. 1976, p. 1. (3) O] No L 64, 8.3.1982, p. 1. ‘Fixed-term contracts may not be concluded for periods of more than five years; fixed-term contracts may be renewed on the same basis once only. Any subsequent renewal shall be for an indefinite period.’ Article 2 The table in the third paragraph of Article 4 of the Conditions of Employment is hereby amended as follows: ‘Category Grade Basic post A Ad } Principal administrator AS As ] .. A7 Administrator A8 Assistant administrator B B1 Principal administrative assistant B2 } Senior administrative, technical and secretarial assistants B4 ] Administrative  technical  and secretarial assistants Principal secretary Principal clerical officer Cc2 } .| - Secretary/shorthand typist C3 Clerical officier C4 ] Typist Ccs Clerical assistant D D1 Head of unit g g } Skilled employee D4 Unskilled employee’