 The right to provide international maritime services (provided one EU port was involved) is enshrined in Regulation 4055/86.The freedom to provide services between ports within one and the same EU Member States (i.e., so-called "cabotage" services) provided more difficult to achieve and it was only accomplished when Regulation 3577/92 was adopted by the EU.One of the most controversial topics is the application of competition law to maritime transport and, in particular, liner conferences.