Opinion of Mr Advocate General Tesauro delivered on 24 January 1991

1 Original language: Italian.

2 OJ 1976 L 39, p. 40.

3 See Repon V, 1, on Night Work, published by the International Labour Conference, 76th Session, International Labour Office, Geneva, and Pettiti, Le travail de nuit des femmes. Aspects nationaux et internationaux, Droit Social 1988, p. 302.

4 See the judgment in Joined Cases 75 and 117/82 Razzouk [1984] ECR 1509, paragraph 16, and the judgment in Case 149/77 Defrnne [1978] ECR 1365, paragraphs 26 and 27.

5 See the judgment in Case 222/84 Johnson v Chief Constable of the Royal Ulster Constabulary [1986] ECR 1651, paragraph 44.

6 See the judgment in Case 184/83 Hofmann [1984] ECR 3047, paragraph 25, and the judgment in Case 163/82 Commission v Italy [1983] ECR 3273, paragraph

7 See the judgment in Case 312/86 Commission v France [1988] ECR 6315, paragraph 14.

8 See Pettiti, above, p. 303.

9 Johnson, above, paragraph 44.

10 See the judgment in Case 152/84 Marshall [1986] ECR 723, paragraph 55, and the judgment in Case 188/89 roer[1990] ECR I-3313, paragraph 21.

11 See Annex 1 to the Commission's observations. Under Article 15 of Convention No 89, it can be denounced, by one year's notice, every ten years as from 27 February 1961, in the following twelve months.

12 Judgment No 210 of 9 July 1986, Gazzetta Ufficiale della Repubblica Italiana, No 38 of 1 August 1986, p. 17.