30As regards jurisdiction clauses, it must be borne in mind that those clauses are, by their nature, a choice of jurisdiction which has no legal effect for so long as no judicial proceedings have been commenced and which takes effect only on the date on which the judicial action is set in motion (judgment of 13 November 1979, Sanicentral, 25/79, EU:C:1979:255, paragraph 6). That is therefore the relevant date for the purposes of assessing the scope of such a clause in relation to the applicable legal rules.
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