Division 17.3 The option to use more than one gear shall only be available if the following additional monitoring arrangements are met:

during a given trip the fishing vessel may carry on board or use only one of the fishing gears referred to in point 4, except as provided for in point 19.2;

before any trip the master of a vessel or his representative shall give prior notice to the competent authorities of the type of fishing gear that is to be carried on board or used unless the type of fishing gear has not changed from the one notified for the previous trip.