Rules for buoys
Article 13
1. The master of a EU fishing vessel or his representative shall ensure that two end marker buoys and intermediary marker buoys, rigged in accordance with Annex IV, are fixed to each passive gear used for fishing and are deployed in accordance with the provisions of this Section. 2. Each end marker buoy and intermediary buoy shall display the external registration letters and numbers displayed on the hull of the EU fishing vessel to which they belong and which has deployed such buoys as follows: (a) letters and numbers shall be displayed as high above the water as possible so as to be clearly visible; (b) in a colour contrasting with the surface on which they are displayed. 3. The letters and numbers displayed on the marker buoy shall not be effaced, altered or allowed to become illegible.