Veja-se o processo 34/82 ainda Lugano: in that context , the designation by article 5  1 of the convention of the courts for the place of performance of the obligation in question expresses the concern that , because of the close links created by a contract between the parties thereto , it should be possible for all the difficulties which may arise on the occasion of the performance of a contractual obligation to be brought before the same court : that for the place of performance of the obligation https://eur-lex.europa.eu/legal-content/PT/TXT/?uri=ecli:ECLI:EU::1983:87).