43In that regard, the detailed procedural rules governing actions for safeguarding an individuals rights under Community law must be no less favourable than those governing similar domestic actions (principle of equivalence) and must not render practically impossible or excessively difficult the exercise of rights conferred by Community law (principle of effectiveness) (see, inter alia, Case 33/76 Rewe, paragraph 5; Comet, paragraphs 13 to 16; Peterbroeck, paragraph 12; Courage and Crehan, paragraph 29; Eribrand, paragraph 62; and Safalero, paragraph 49).
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