14. 3. 87 Official Journal of the European Communities No L 72/15 COUNCIL REGULATION (EURATOM, ECSC, EEC) No 680/87 of 23 February 1987 amending Regulation (ECSC, EEC, Euratom) No 1860/76 laying down the conditions of employment of staff of the European Foundation for the improvement of Living and Working Conditions THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to Council Regulation (EEC) No 1365/75 of 26 March 1975 establishing a European Foundation for the improvement of Living and Working Conditions ('), and in particular Article 17 thereof, Having regard to Council Regulation (ECSC, EEC, Euratom) No 1860/76 of 29 June 1976 laying down the conditions of employment of staff of the European Foundation for the improvement of Living and Working Conditions (2), as last amended by Regulation (ECSC, EEC, Euratom) No 510/82 (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 Foundation 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: ‘Fixed-term contracts may not be concluded for periods of more than five years; fixed-term contracts may be (*) OJ No L 139, 30. 5:1975, p. 1. () O] No L 214, 6. 8. 1976, p. 24. (3) OJ No L 64, 8. 3. 1982, p. 1. 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 A4 } Principal administrator AS A6 - A7 ] Administrator A8 Assistant administrator B B1 Principal administrative assistant B2 Senior administrative, technical B3 and: secretarial assistants B4 Administrative  technical  and BS secretarial assistants C C1 Principal secretary Principal clerical officer C2 Secretary/shorthand typist C3 Clerical officier C4 Typist Cs Clerical assistant D D1 Head of unit b2 } Skilled employee D 4 Unskilled employee’ Article 3 The third paragraph of Article 5 of the Conditions of Employment is hereby replaced by the following: ‘A staff member assigned to a post in a higher grade than at which he was engaged shall, in his new grade, have the seniority corresponding to the notional step equal to or next above the notional step reached in his