19 The first point to be noted is that since the judgment in Case C-192/89 Sevince v Staatssecretaris van Justitie [1990] ECR I-3461, paragraph 26, the Court has consistently held that Article 6(1) of Decision No 1/80 has direct effect in the Member States and that Turkish nationals who satisfy its conditions may therefore rely directly on the rights which the three indents of that provision confer on them progressively, according to the duration of their employment in the host Member State (see, most recently, Case C-36/96 Günaydin v Freistaat Bayern [1997] ECR I-5143, paragraph 24, and Case C-98/96 Ertanir v Land Hessen [1997] ECR I-5179, paragraph 24).
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