Opinion of Mr Advocate General Tesauro delivered on 30 January 1991

1 Original language: Italian.

2 Law of 9 July 1975 (Moniteur Selge, 30 July 1975, p. 9328) and royal decree of 11 December 1975 (Moniteur Belge, 16 December 1975, p. 15989).

3 Royal Decree of 1 September 1980 (Moniteur Belge, 30 September 1980, p. 11106) and Royal Decree of 2 September 1980 (Moniteur Belge, 30 September 1980, p. 11107).

4 Royal Decree of 14 October 1985 (Moniteur Belge, 21 November 1985, p. 17137).

5 OJ English Special Edition 1970 (I), p. 17.

6 See judgments in Case 181/82 Roussel [1983] ECR 3849, paragraph 17; Case 231/83 Caliti [1985] ECR 315, paragraph 23; Case 56/87 Commission v Italy [1988] ECR 2919, paragraph 6

7 Judgment in Case 65/75 Tasca[1976] ECR 291

8 Cited above, paragraph 26.

9 See in that connection the judgment in Case C-347/88 Commission v Greece [1990] ECR I-4747.

10 Judgment in Joined Cases 16/79 and 20/79 Danis [1979] ECR 3327.

11 Judgments Nos 20.987 and 20993 of 27 February 1981, and Nos 23215 and 23220 of 6 May 1983.

12 Case 238/82 Duphar v Netherlands [1984] ECR 523

13 This is a requirement which is moreover now codified in Council Directive 89/105/EEC of 21 December 1988 relating to the transparency of measures regulating the pricing of medicinal products for human use and their inclusion in the scope of national health insurance systems (OJ L 40, p. 8).

14 See in this connection the judgment in Case 222/86 UNECTEF v Heylens [1987] ECR 4097, paragraphs 15 and 16, in which the principle in question was upheld in relation to freedom of movement for workers.

15 Moniteur Beige 29 4 1988, p 5118

16 See, most recently, the judgment in Case 347/88 Commission v Hellenic Republic [1990] ECR 4747. paragraph 40

17 Judgment cited above, at paragraph 22.

18 Paragraph 20.

19 Paragraph 21

20 Moniteur Selge of 5.1.1989, p. 75.

21 See inter alia the judgment in Case 154/85 Commission 0v Italy [19S7]ECR 2717.