19Therefore, even if that directive were regarded as accomplishing full harmonisation within the meaning of the Court’s case-law, that would not preclude the relevance of primary law for the period prior to the time-limit for transposition of the directive (see, inter alia, by analogy, Case 148/78 Ratti [1979] ECR 1629, paragraphs 36 and 42 to 44, and Case C-350/97 Monsees [1999] ECR I-2921, paragraph 27).
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