Article 12
Five-day catch and effort reporting system 1. For the purposes of the five-day catch and effort reporting system, each calendar month shall be divided into six reporting periods, designated by the letters A, B, C, D, E and F and running from day one to day five, day six to day 10, day 11 to day 15, day 16 to day 20, day 21 to day 25 and day 26 to the last day of the month. 2. This system shall apply for each fishing season to: (a) the fishery for Champsocephalus gunnari in FAO statistical sub-area 48.3; (b) the fishery for Dissostichus eleginoides in FAO statistical sub-areas 48.3 and 48.4; (c) the exploratory fisheries for Dissostichus eleginoides in all the Convention Area, by fine-scale rectangles as defined in Article 2(d) of Regulation (EC) No 600/2004. 3. Following notification by the CCAMLR of the closure of a fishery in the event of failure to transmit the catch and effort report referred to in this Article, the vessel or vessels concerned shall cease operating immediately in the fishery in question and shall be authorised to resume fishing only where the report or, as appropriate, an explanation of the technical difficulties justifying the failure to present a report has been sent to the CCAMLR. 4. Detailed rules for the application of this Article shall be adopted in accordance with the procedure laid down in Article 37(2). SECTION 2 MONTHLY FINE-SCALE DATA REPORTING SYSTEMS FOR TRAWL, LONGLINE AND POT FISHERIES