Judgment_paragraph 43 · Aannemingsbedrijf Aertssen NV and Aertssen Terrassements SA v VSB Machineverhuur BV and Others (C-523/14)

43As regards, secondly, ‘the cause’ of an action for the purposes of Article 27 of Regulation No 44/2001, that comprises the facts and the rule of law relied on as the basis of the action (see, to that effect, judgment in Mærsk Olie & Gas, C‑39/02, EU:C:2004:615, paragraph 38 and the case-law cited).