This Regulation lays down management, conservation and control provisions relating to fishing for highly migratory fish species managed by the International Commission for the Conservation of Atlantic Tunas (ICCAT). These provisions apply to: (a) Union fishing vessels, and Union vessels engaged in recreational fisheries, which operate in the ICCAT Convention area and, in the case of transhipments, also outside the ICCAT Convention area if they tranship species caught in that area; (b) third country vessels which are inspected in Member States ports and which carry ICCAT species or fishery products originating from such species that have not been previously landed or transhipped at ports; (c) third country fishing vessels and third country vessels engaged in recreational fisheries which operate in Union waters.