Martinez Capdevila, C. 2020. The CJEU declares that it lacks jurisdiction to rule on an action for failure to fulfil obligations when the infringement of EU law results from an internationally wrongful act. (Judgment of 31 January 2020, Slovenia v Croatia, C-457/18) . Revista de Derecho Comunitario Europeo. 67 (Dec. 2020), 1009–1036. DOI:https://doi.org/10.18042/cepc/rdce.67.07.